Wheels, Casters & Tracks

These black plastic wheels are made specifically for Futaba servo splines and have a diameter of 2-5/8" (66.7mm). Each wheel comes with a two black rubber bands for a tire (one plus a spare). Sold individually. More details...

These high traction sticky tyres are a great way to give extra traction to a sumo robot. Designed to fit wheels with a diameter of 66mm (2-5/8") and width of 7.6mm (0.3") such as Solarbotics GMPW wheels or 2-5/8" Futaba servo hub wheels. More details...

Made to work with our 8T GM sprocket set these miniature tank tracks are ideal for robots and won't fall off like some rubber tracks. Made of strong ABS plastic and joined with stainless steel pins these tracks are surprisingly rugged for small robotic tank tracks. Sold in packs of 10 pins and links. More details...

Sold as a 4 pack, these 8 tooth injection molded sprockets are designed to fit our tank tracks and Solarbotics GM2, GM3, GM8 and GM9 gear motors. Each pack contains two drive wheels and two idlers that can add a Caterpillar style tank track drive system to a small robot. More details...

Sold as a 4 pack, these 8 tooth injection molded sprockets are designed to fit our tank tracks and Tamiya Gearboxes with there hexagonal shafts. Each pack contains two drive wheels and two idlers that can add a Caterpillar style tank track drive system to a small robot. More details...

This set contains includes two 42 x 19 mm wheels, two matching extended brackets and two encoders. With the addition of two micro metal gear motors it forms a complete differential drive system for small robot with encoder feedback. Buy as a set and save! More details...

Featuring a 1/2" (12.3mm) metal ball this ball caster kit comes complete with mounting screws and spacers to change the final height of the caster. The caster provides a good 'third point' for a differential drive robot. More details...

With a 3/4" (19mm) plastic ball this ball caster kit comes complete with mounting screws and spacers to change the final height of the caster. Dowel pins are included to reduce friction between the ball and ABS housing. The caster provides a good 'third point' for a differential drive robot. More details...

This light ball caster uses a 1" (25.4mm) diameter plastic ball. The height of the assembled kit ranges from 1.1" (28mm) to 1.4" (35.5mm). Dowel pins are used to minimize the friction between the ball and the ABS housing. More details...

This small ball caster uses a 3/8" (9.5mm) diameter metal ball. The height of the assembled kit ranges from 0.4" to 0.6" (10.1mm to 15.2mm). The caster provides a good 'third point' for a differential drive robot. More details...