Pololu 40x7mm wheels (red)

A set of two Pololu wheels measuring 32x7mm in black. Fits D-shaped shaft with a diameter of 3mm. Pololu 1087

A set of two Pololu wheels measuring 43x19 mm in white. Fits D-shaped shaft with a diameter of 3 mm. Pololu 1090

A set of two 70x8mm yellow Pololu wheels. Fits D-shaped shaft with a diameter of 3mm. Pololu 1427

This black polyurethane scooter/skate wheel measures 84 mm in diameter and 24 mm in width and works with standard 608 bearings as well as our Aluminum Scooter Wheel Adapters, which allow these wheels to be used with an assortment of motors. Pololu 3275

A pair of 50x8mm silicone tires compatible with Pololu 60×8mm/70×8mm wheels. Pololu 3409

A set of two Pololu wheels with dimensions 60x8mm in white. Intended for Micro servos with 4.8mm diameter spline and 20 teeth. Pololu 4914

A set of two 90x10mm red Pololu wheels. Fits D-shaped shaft with a diameter of 3mm. Pololu 1436

A set of two 70x8mm black Pololu wheels. Fits D-shaped shaft with a diameter of 3mm. Pololu 1425

2-5/8" plastic Red wheel Futaba servo hub

A set of two 70x8mm blue Pololu wheels. Fits D-shaped shaft with a diameter of 3mm. Pololu 1428

Solarbotics GMW (GM2/3/8/9 Gear Motor Mount - ONE mount)

Injection-Molded Sprocket Set 8T GM

A set of two 90x10mm yellow Pololu wheels. Fits D-shaped shaft with a diameter of 3mm. Pololu 1437

High-Traction Sticky Tire (one tire)

A set of two 90x10mm blue Pololu wheels. Fits D-shaped shaft with a diameter of 3mm. Pololu 1438

A set of two Pololu wheels with dimensions 90x10mm in white. Intended for Standard servos with 5.8mm diameter spline and 25 teeth. Pololu 4939