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GoPro Hero 2 Camera Mount
Price: $17.37
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Sparkfun Item #: ROB-12467 -

"These GoPro camera mounts provide you with a simple and lightweight way to attach your Hero or Hero 2 to you Actobotics project. Each camera mount can be mounted in any direction and can be attached to any channel, hub mount, or servo block that utilizes the 0.77" hub pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Gravity: Digital Push Button (Red)-DFRobot
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Price: $2.93
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DFRobot Item #: DFR0029-R -

Press to release pleasure! Our redesigned digital push buttons come with LED, immersion gold surface, and bright colored hats. A captital D at left corner indicates that it is a digital sensor. An illustration of button painted in the back notifying its function. Pressing it is a real fun, especially with the plastic cap off. The long pressable life also ensures its durability. |Features| Wide voltage range from 3.3V to 5V Standard assembling structure (two 3mm diameter holes with multiple of...

HCR - A Mobile Robot Platform Kit with Omni Wheels
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Price: $958.46
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DFRobot Item #: ROB0124 -

HCR (Home Care Robot) with Omni wheels is a full metal open source mobile robot research platform designed for robotics research and service robot application development.Same as previous generations, the structure of the HCR is divided into 3 layers, each with slots for installing distance sensors, servos or cameras. There is also plenty of space for other expansions modules. More than that, equipped with 3 high torque Omni wheels with encoders, it is capable of all-direction pinpoint...

HCR - Mobile Robot Platform (Support Kinect)
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Price: $913.64
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DFRobot Item #: ROB0004 -

The HCR Mobile Robot Kit is a two wheel drive mobile robot platform with three levels (if you want, you can use only the parts you need, or make a two level robot). The kit contains two motors, two wheels, an omni-directional wheel, and hardware accessories such as metal plates. Its support structure includes servos and sensors, with special interfaces for a mini - ITX motherboard.As the second generation of DFRobot's HCR (Home Care Robot) platform, we have equipped it with new motors and...

HCR - Mobile Robot Platform with Sensors and Microcontroller
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Price: $1,235.51
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DFRobot Item #: ROB0021 -

The HCR Mobile Robot Kit is a two wheel drive mobile robot platform with three levels (if you want, you can use only the parts you need, or make a two level robot). The mobile robot kit contains two motors, two wheels, an omni-directional wheel, and hardware accessories such as metal plates. Its support structure includes servos and sensors, with special interfaces for a mini - ITX motherboard.As the second generation of DFRobot's HCR (Home Care Robot) platform, we have equipped it with new...

Heavy Duty Wheel - 6"
Price: $17.37
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Sparkfun Item #: ROB-12437 -

"These heavy duty wheels have a diameter of 6” and a width of 1”. They have a hard inner plastic core and a smooth outer rubber tire. These wheels utilize the 1.5” hub pattern and are ideal for any larger robot you create. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide...

Hub Adapter - 0.625" to 0.77"
Price: $8.68
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Sparkfun Item #: ROB-12167 -

"This hub adapter lets you connect Actobotics parts with a 0.77" hub pattern to parts with a 0.625" hub pattern. The holes for the 0.77" pattern are un-tapped whereas the holes for the 0.625" pattern are tapped. These adapters are ideal for mounting two different hub patterns: mating hubs to gears, sprockets, or wheels. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns,...

Hub Adapter - 0.77" to 0.77"
Price: $8.68
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Sparkfun Item #: ROB-12372 -

"This hub adapter lets you connect Actobotics parts with a 0.77" hub pattern to parts with a 0.77" hub pattern. The hole alternate between tapped and untapped, which makes mating two components easy. These adapters are ideal for mounting two different hub patterns: mating hubs to gears, sprockets, or wheels. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all...

Hub Adapter - 1.50" to 0.77"
Price: $9.47
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Sparkfun Item #: ROB-12199 -

"This hub adapter lets you connect Actobotics parts with a 0.77" hub pattern to parts with a 1.5" hub pattern. The holes for the 1.5" pattern alternate between tapped and untapped, whereas the inner 0.77" hole pattern is all un-tapped. These adapters are ideal for mounting two different hub patterns: mating hubs to gears, sprockets, or wheels. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two...

Hub Adapter - 1.50" to 1.50"
Price: $6.94
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Sparkfun Item #: ROB-12129 -

"This hub adapter lets you connect Actobotics parts with a 1.5" hub pattern to parts with a 1.5" hub pattern. The hole alternate between tapped and untapped, which makes mating two components easy. These adapters are ideal for mounting two different hub patterns: mating hubs to gears, sprockets, or wheels. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all...

Hub Arm - Double (6")
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Price: $22.59
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Sparkfun Item #: ROB-12413 -

"These aluminum double servo hub arms can bolt directly to the aluminum hub on servo power gearboxes via four 6-32 x 3/8" machine screws. Each double hub arm has a length of 6” and utilizes the 0.77” hub pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components...

Hub Mount - 90 Degrees
Price: $8.68
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Sparkfun Item #: ROB-12102 -

"These 90 degree hub mounts mate directly to Actobotics channels in multiple positions and are useful as attachment points for shafts and tubes with a 0.5" diameter. Each hub mount has two 0.5" bores and utilize the 0.77" hub pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of...

Hub Mount - Quad (Mount B)
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Price: $8.68
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Sparkfun Item #: ROB-12255 -

"These quad hub mounts can attach to the end or the middle of Actobotics channels to provide you a 90 degree angle with additional attachment points for Actobotics project. These hub mounts have a width of 1.32”, a thickness of 0.25”, a 0.50” bore, and utilize the 0.77” hub pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all...

Hub Mount C - 90 Degree
Price: $7.81
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Sparkfun Item #: ROB-12390 -

"These hub mounts mate directly to Actobotics channels in multiple positions and are useful as attachment points for shafts and tubes with a 0.5" diameter and other hub mountable items. The model C type offers a wider base than the model B. Each hub mount has a 0.5" bore, a width of 1.3", and utilizes the 0.77" hub pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns,...

Hub Spacer - 1"
Price: $3.46
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Sparkfun Item #: ROB-12421 -

"These ½" bore hub spacers allow you to space your sprocket, gear, wheel, or other attachment from the mating hub. These hubs utilize the 0.77" hole pattern common throughout Actobotics. This spacer is 1" thick. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components makes...

Hub Spacer - 3/4"
Price: $3.11
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Sparkfun Item #: ROB-12298 -

"These ½" bore hub spacers allow you to space your sprocket, gear, wheel, or other attachment from the mating hub. These hubs utilize the 0.77" hole pattern common throughout Actobotics. This spacer is ¾" thick. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components...

Hub Spacer - 3/8"
Price: $2.42
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Sparkfun Item #: ROB-12401 -

"These ½" bore hub spacers allow you to space your sprocket, gear, wheel, or other attachment from the mating hub. These hubs utilize the 0.77" hole pattern common throughout Actobotics. This spacer is 3/8" thick. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components...

LG-NS Robot Gripper
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Price: $27.58
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DFRobot Item #: FIT0014 -

How can your robot rule the world with an iron fist if it doesn't have a hand? This LG-NS robot gripper makes a great addition to a small arm or mobile base. The gripper features injection molded components and can use two standard hobby servos (not included) for open and close and wrist rotate. The clamp open to 1.3" and the wrist rotates approximately 180 degrees. It needs only a screw driver for assembly. Notice Compatible servo: Hitec 422 servos |Specification| Max clamp width: 1.3" Size:...

Micro DC Geared Motor Set
Price: $8.02
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Elecrow Item #: EL-RPL11302K -

    The 5V, 83rpm Micro DC Geared Motor with Back Shaft is ideal for DIY enthusiasts. The wheel is match to the motor. This motor set are inexpensive, small, easy to install, and ideally suited for use in a mobile robot car. We recommend this L293 Motor shield to driver this motor. They are commonly used in our 2WD platforms. Specification Gear Ratio: 1:120 No-load speed(3V): 50RPM No-load speed(5V): 83RPM Torgue (3V): 0.8Kgcm Torque (5V): 1.0Kgcm Size: 69mm * 37mm *...

Micro Maestro 6-channel USB Servo Controller
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Price: $34.69
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Sparkfun Item #: ROB-09664 -

"The Micro Maestro is the first of Pololu’s second-generation USB servo controllers. The board supports three control methods — USB for direct connection to a PC, TTL serial for use with embedded systems, and internal scripting for self-contained, host controller-free applications — and channels that can be configured as servo outputs for use with radio control (RC) servos or electronic speed controls (ESCs), digital outputs, or analog inputs. The Micro Maestro is a highly...

Micro-Speed Motor
Price: $3.14
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Elecrow Item #: EL-RPL13002S -

    The 5V, 83rpm Micro DC Geared Motor with Back Shaft is ideal for DIY enthusiasts. This motor are inexpensive, small, easy to install, and ideally suited for use in a mobile robot car. We recommend this L293 Motor shield to driver this motor. There is a wheel set in here. Specification Gear Ratio: 1:120 No-load speed(3V): 50RPM No-load speed(5V): 83RPM Torgue (3V): 0.8Kgcm Torque (5V): 1.0Kgcm Size: 69mm * 37mm * 23mm Weight:30g ...

Motor Driver 15A IRF7862PBF
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Price: $76.42
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Sparkfun Item #: ROB-09107 -

"The Pololu 15 Amp high-power motor driver is a discrete MOSFET H-bridge designed to drive one DC brushed motor. The H-bridge is made up of one N-channel MOSFET per leg, and most of the board’s performance is determined by these MOSFETs (the rest of the board contains the circuitry to take user inputs and control the MOSFETs). The board supports a wide 5.5 to 24 V voltage range and is efficient enough to deliver a continuous 15 A without a heat sink, or 21 A with a heat sink. With the...

Motor Mount - C Style
Price: $8.68
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Sparkfun Item #: ROB-12168 -

"The C Style Motor Mount is a low-profile mount for your standard or precision gear motors. Two screws secure your motor while 2 tapped 6-32 holes allow you to connect to Actobotics channels, or other mounts, hubs, or adapters.These mounts fit flush against channels making them ideal for driving gears or pulleys. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all...

Motor Mount - Clamping
Price: $12.16
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Sparkfun Item #: ROB-12407 -

"The Aluminum Clamping Motor Mount is great for applications where the perfect motor alignment is needed. When used in conjunction with a gearmotor that has an offset shaft, you can index the motor by sliding the motor forward/aft in the mount or rotating it within the mount. It utilizes a 1.5" hole pattern, and a single set-screw for securing your motor (37mm body diameter). Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball...

Motor Mount - Swivel Clamp (32mm)
Price: $10.42
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Sparkfun Item #: ROB-12180 -

"This motor mount connects to other Actobotics products with a swivel mount, allowing you to easily attach your motor to gears or pulleys. A set screw on the swivel mount (sold separately below) allows you to position the motor accurately and lock in its position. You can even rotate the motor inside the mount by loosening the set screw. All these adjustments make for a very versatile mount. This mount works with motors with a 32mm body diameter. Actobotics is a robotics building system based...

Motor Mount - Swivel Clamp (37mm)
Price: $10.42
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Sparkfun Item #: ROB-12524 -

"This motor mount connects to other Actobotics products with a swivel mount, allowing you to easily attach your motor to gears or pulleys. A set screw on the swivel mount (sold separately below) allows you to position the motor accurately and lock in its position. You can even rotate the motor inside the mount by loosening the set screw. All these adjustments make for a very versatile mount. This mount works with motors with a 37mm body diameter. Actobotics is a robotics building system based...

N20 ABS Rubber Wheel 43x9mm (Pair)
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Price: $9.98
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DFRobot Item #: FIT0494 -

This custom-designed rubber wheel has a rubber tire with a diameter of 1.69" (43 mm). It is designed to fit the output shafts on our mini metal gear motors as well as the Solarbotics metal gear motors. Teeth on the hub optionally allow a reflectance sensor to be used for encoder feedback.Gear motors should be mounted onto the side of the hub with the protruding teeth. The output shaft will slide into the socket easily at first but will achieve a snug fit when pressed through to the other edge...

Precision Disc Wheel - 3" (Clear Orange, 2 Pack)
Price: $8.68
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Sparkfun Item #: ROB-12398 -

"These clear orange precision disk wheels have an outer diameter of 3”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are ideal for any light robot that needs a basic disc for simple movement, and use a removable rubber ring for traction. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Precision Disc Wheel - 3" (Red, 2 Pack)
Price: $8.68
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Sparkfun Item #: ROB-12382 -

"These red precision disk wheels have an outer diameter of 3”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are ideal for any light robot that needs a basic disc for simple movement, and use a  removable rubber ring for traction. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Precision Disc Wheel - 4" (Orange, 2 Pack)
Price: $10.42
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Sparkfun Item #: ROB-12210 -

"These orange precision disk wheels have an outer diameter of 4”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are ideal for any light robot that needs a basic disc for simple movement, and use a removable rubber ring for traction. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Precision Disc Wheel - 4" (Red, 2 Pack)
Price: $10.42
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Sparkfun Item #: ROB-12241 -

"These red precision disk wheels have an outer diameter of 4”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are ideal for any light robot that needs a basic disc for simple movement, and use a removable rubber ring for traction. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively...

Precision Disc Wheel - 6" (Black)
Price: $9.55
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Sparkfun Item #: ROB-12385 -

"These black precision disk wheels have an outer diameter of 6”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are ideal for any light robot that needs a basic disc for simple movement, and use a removable rubber ring for traction. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Pulley - Hub Mount (1.0"; 0.5" Bore)
Price: $11.46
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Sparkfun Item #: ROB-12523 -

"These hub-mountable aluminum pulleys can be used to drive wheels or other pulleys with ¼” or ⅛” belts. They have an outer diameter of 1.125”, a bore of 0.50”, and utilizes the 0.77” hub pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of...

Pulley - Hub Mount (3.0"; 1.0" Bore)
Price: $19.11
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Sparkfun Item #: ROB-12209 -

"These hub-mountable aluminum pulleys can be used to drive wheels or other pulleys with ¼” or ⅛” belts. They have an outer diameter of 3.125”, a bore of 1”, and utilizes the 1.5” hub pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of...

Pushbutton Power Switch LV
Price: $9.92
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Sparkfun Item #: ROB-08903 -

"The Pololu Pushbutton Power Switch from Pololu is a compact, solid-state power switch controlled by a momentary pushbutton switch. Because the switched current does not flow through the mechanical switch, a large variety of small, low-power switches can be used to control a substantial amount of power. The use of momentary pushbutton switches also allows multiple switches to be used in parallel to control the power to one load. The solid-state switch also allows the load to turn off its own...

PVC Clamp Hub B - 1.315"
Price: $19.11
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Sparkfun Item #: ROB-12592 -

"This PVC clamp mount has a 1.315" bore, providing an easy way to incorporate standard 1" PVC pipe into your next project. Two set screws secure to the end of a 1" pipe, and 4 tapped 6-32 holes at the other end make for attachment points to hubs or other Actobotics products. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

PVC Clamp Mount - 1.315"
Price: $13.37
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Sparkfun Item #: ROB-12591 -

"This PVC clamp mount has a 1.315" bore, providing an easy way to incorporate standard 1" PVC pipe into your next project. A set screw secures the pipe while 2 6-32 tapped holes provide attachment points to additional parts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components...

RC 2.4G Wireless Air Mouse &; Keyboard
Price: $42.92
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DFRobot Item #: DFR0228 -

The RC Air Mouse and Keyboard uses the latest 2.4GHz wireless technology with a sampling frequency up to 120Hz. Use it like a Wii remote to control your mouse cursor on the screen. Operation is flexible and smooth and does no connection is lost during rapid movement.The RC Air Mouse and Keyboard can be used for a wide range of devices and drivers install automatically when you plug it in. With a wide transmission range of up to 30m, you can use this remote control your computer in style. Sit...

Robot Gripper - Extra Width
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Price: $33.62
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DFRobot Item #: FIT0300 -

This is a 2 DOF robot gripper that can be installed with 2 servos so as to control gripper opening and closing with one servo, and steering gear motion control (or rotation) with the other servo.Velocity range is 0 to 54 mm (0 to 2.13"). Total weight about 45 g. The servo slot fit most servos such as Hitec 422,475, DSS-P05 Standard Servo, DF Metal Geared 15Kg Standard Servo. |Specification| Clamp range:0-54mm (0-2.13") Size:105x100x30mm (4.13x3.94x1.18")|ShippingList| Robot Gripper-Extra Width...

Romeo BLE Quad - A STM32 Robot Controller with Quad DC Motor Driver/Encoder/BLE
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Price: $68.78
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DFRobot Item #: DFR0398 -

Romeo BLE Quad is an arduino compatible robot controller based on STM32 ARM chip. It inherits all features from the Bluno M3, including wireless programming support, wireless communication between iOS/Android apps and remote control. Beyond this it also includes a 4-way DC motor driver and encoder interfaces. You can implement a robot with PID closed-loop feedback control directly with our TT Geared Motor.As well as this the Romeo BLE Quad offers powerful performance thanks to the STM32 ARM...

Round Screw Plate - 1/4"-20
Price: $6.94
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Sparkfun Item #: ROB-12431 -

"This screw plate gives you the ability to attach a ¼-20 machine screw to Actobotics channels. It has 8 6-32 tapped holes around the edge, and a ¼-20 tapped hole in the center. It utilizes the 0.77" hole pattern, so it easily attaches to most Actobotics products. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Rover 5 Tank Chassis (2 motors)
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Price: $67.23
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DFRobot Item #: ROB0055 -

Rover 5 is a new breed of tracked robot chassis designed specifically for students and hobbyist. Unlike conventional tracked chassis&;rsquo;s the clearance can be adjusted by rotating the gearboxes in 5-degree increments. &;ldquo;Stretchy&;rdquo; rubber treads maintain tension as the clearance is raised.Inside of the chassis are 4 noise suppression coils at the bottom and a battery holder that accepts 6x AA batteries (not included). It is recommended to use NiMh batteries as they last longer...

Rover 5 Tank Chassis (4 motors with 4 Encoders)
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Price: $124.06
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DFRobot Item #: ROB0055-4M4E -

Rover 5 is a new breed of tracked robot chassis designed specifically for students and hobbyist. Unlike conventional tracked chassis’s the clearance can be adjusted by rotating the gearboxes in 5-degree increments. “Stretchy” rubber treads maintain tension as the clearance is raised.Inside of the chassis are 4 noise suppression coils at the bottom and a battery holder that accepts 6x AA batteries (not included). It is recommended to use NiMh batteries as they last longer and...

Rubber Ring - 4.65"ID x 1/8"W
Price: $1.90
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Sparkfun Item #: ROB-12233 -

"These lipped Rubber Rings have an inner diameter of 4.65", a width of 1/8", and a sturdy rubber sidewall. These rings can be used as a replacement for Precision Disk Wheels or can wrap around the outside edge of another flat disc to make the ring a simple tire. Dimensions: ID - 4.65" Width - 1/8" "

Rubber Wheel (Compatible with Servo &; Motor)
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Price: $8.10
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DFRobot Item #: FIT0336 -

This rubber wheel is used in our popular 4WD mobile platforms. It can be mounted directly onto micro gear motors, but also compatible with our most servos.|Specification| Outer Diameter: 80mm(3.15") Wheel Width:30 mm(1.18") Axle Pore Size: 5.8mm(diameter)×3.5mm?thickness? (0.23"x0.14") Axle depth:7.6mm(0.30")|ShippingList| Rubber Wheel(Compatible with Servo&Motor) x2 ...

Servo Gear - Futaba (16T; Metal)
Price: $26.07
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Sparkfun Item #: ROB-12440 -

"These servo gears are made specifically to fit a Futaba 3F servo spline, allowing you to mate other gears to your servo. They have 16 teeth with a gear pitch of 32P, an outer diameter of 0.563”, and utilize the 3F Futaba servo spline. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide...

Servo Gear - Hitec (20T; Metal)
Price: $26.07
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Sparkfun Item #: ROB-12142 -

"These servo gears are made specifically to fit a Hitec C1 servo spline, allowing you to mate other gears to your servo. They have 20 teeth with a gear pitch of 32P, an outer diameter of 0.688”, and utilize the C1 Hitec servo spline. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range...

ServoBlock Kit - Hitec 1/4-Scale (Hub Shaft)
Price: $50.41
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Sparkfun Item #: ROB-12355 -

"ServoBlocks increase a servo’s load-bearing capabilities by helping to isolate the lateral load from the servo spline and case. The extreme versatility of ServoBlocks allow users to create complex, extremely rigid, structures with ease using ¼ scale Hitec servos. The 1/2” aluminum hub shaft provides multiple mounting options using 6-32 screws. The robust 6061 T-6 aluminum framework acts as a servo exoskeleton, greatly enhancing the mechanical loads the servo can withstand....