Adapter that allows you to easily mount the wheels on a motor with a shaft diameter of 4 mm using screws size 4-40. The hub fits both round and D-shaped shafts. Pololu 1081

Adapter that allows you to easily mount the wheels on a motor with a shaft diameter of 6 mm using screws size 4-40. The hub fits both round and D-shaped shafts. Pololu 1083

Blade designed for use with a Zumo chassis and included as part of an assembled Zumo robot. The plow is made of thick, laser cut stainless steel 0.91 mm thick and is delivered without bent fixing plates. Pololu 1410

Matrix module of six reflection sensors for the Zumo robot. The module allows you to easily add line detection or edge detection to the robot. Pololu 1419

Pololu 2512Module with 2-channel DC motor driver for Arduino boards. It allows you to control drives with a supply voltage from 6 to 32 V and a current consumption of up to 0.65 A. Pololu 2512

A two-piece aluminum adapter for transmitting wheel drive to motors with a 4mm diameter shaft. Mounting screws and set screws included. Pololu 2672

Pololu - 2074

This compact breakout board is for ROHM’s BD65496MUV motor driver, which offers an operating voltage range of 2 V to 16 V and can deliver a continuous 1.2 A to a single brushed DC motor. Pololu 2960

This black polyurethane scooter/skate wheel measures 70 mm in diameter and 25 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 3272

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

Black polyurethane scooter/skate wheel 100 × 24 mm, works with standard 608 bearings. Pololu 3278