Wheels, Tracks, and Ball Casters

Tamiya Wheels

Tamiya Wheels

Tamiya is a Japanese company that manufactures a variety of high-quality hobby and educational products. We carry many of their educational construction kits, including gearboxes and the wheels that work with the gearboxes.

Solarbotics Wheels

Solarbotics Wheels

Solarbotics is a Canadian company that provides a variety of compact, affordable geared motors that are great for building small robots. We currently carry a wide selection of their GM-series gearmotors as well as compatible wheels.

Futaba Servo Wheels

Futaba Servo Wheels

Wheels and sprockets that mount on Futaba servo splines.

Pololu Ball Casters

Pololu Ball Casters

Our ball casters are great third contact points for small differential-drive robots. These units have larger ball diameter-to-weight ratios than industrial units, giving your robot the ability to drive over larger obstacles without adding too much weight. Several sizes and ball options are available.



Tamiya 70144 Ball Caster Kit (2 casters)
On sale!
Pololu part #: 66
Price: $5.99 $6.25
Quantity:

Tamiya 70144 Ball Caster Kit (2 casters)

Tamiya’s steel-ball caster is a good way to give a “third wheel” to a small robot powered by a differential drive. The kit comes with enough parts to make two casters, either 25 mm or 35 mm in height.

Plastic Ball Caster 3-Pack
Pololu part #: 174
Price: $1.95
Quantity:

Plastic Ball Caster 3-Pack

This plastic roller ball is a great third contact point for a small, differential-drive robot.

Miniature Track Link and Pin 10-Pack
Pololu part #: 416
Price: $6.20
Quantity:

Miniature Track Link and Pin 10-Pack

If you’ve been looking to move from wheels to tracks but have been disappointed with rubber bands and timing belts, these tank tracks are for you. We sell this product in packs of ten loose links and pins.

Injection-Molded Sprocket Set 8T Hex
New!
Pololu part #: 224
Price: $9.95
Quantity:

Injection-Molded Sprocket Set 8T Hex

This four-pack of 8-tooth injection-molded sprockets comes with two idler sprockets (with 1/4" holes) and two sprockets with 3-mm hexagonal holes (for use with Tamiya Gearboxes that have 3-mm hex shafts).

Injection-Molded Sprocket Set 8T GM
New!
Pololu part #: 359
Price: $9.95
Quantity:

Injection-Molded Sprocket Set 8T GM

This four-pack of 8-tooth injection-molded sprockets comes with two idler sprockets (with 1/4" holes) and two sprockets with 7-mm holes for use with for use with Solarbotics GM2, GM3, GM8, and GM9 gearboxes.

Injection-Molded Sprocket Set 8T Futaba
New!
Pololu part #: 358
Price: $9.95
Quantity:

Injection-Molded Sprocket Set 8T Futaba

This four-pack of 8-tooth injection-molded sprockets comes with two idler sprockets (with 1/4" holes) and two sprockets designed for use with Futaba servo splines.