A set of two Pololu wheels measuring 40x7mm in black. Fits D-shaped shaft with a diameter of 3mm. Pololu 1452

A set of adapters (adapter) from the popular 4 mm to 12 mm motor shaft, wheel holders from RC models. Pololu 2684

A set of two wheels with dimensions of 43x9 mm in white. They fit a 3mm D-shaped shaft. DFRobot FIT0494

Pololu Universal Aluminum Mounting Hub for 5mm Shaft Pair

This item is a pair of motor-holding clips for the Romi chassis in white. These clips snap into the main Romi base plate, and then the motors snap into the clips. It is included as part of the white Romi Chassis Kit.

Aluminum bracket with holes for M3 screws for 37D mm gear motors. Pololu 1995

Mobile robot chassis equipped with Mecanum four-wheel drive. Modular design allows for easy development of the project. Ideal for building your first mobile robot. Waveshare Robot-Chassis-MS

This is a mounting bracket designed for our URM ultrasonic sensor series.It is fully compatible with URM37 and URM04. You can also have this item with only 300 reward points. DF-FIT0006

A mobile robot chassis equipped with Mecanum four-wheel drive. The shock absorber-based design absorbs shocks and vibrations, and the modular design allows for easy development of the project. Ideal for building your first mobile robot. Waveshare Robot-Chassis-MP

Mounting dedicated to modules with a laser diode. Adafruit 1094

A set of two black plastic brackets for mounting micro Pololu motors. Mounting screws and nuts are included. Pololu 989

These lightweight aluminum brackets make it easy to mount and integrate the Sharp GP2Y0A02, GP2Y0A21, and GP2Y0A41 Distance Sensors into your project. The brackets are strong enough to hold their position, but they can also be bent by hand to different angles if the application calls for it.

Pololu Universal Aluminum Mounting Hub for 1/4â€l Shaft, M3 Holes (2-Pack)

This power distribution board is designed specifically for the Romi chassis as a convenient way to access the chassis’s battery power and pass that on the rest of the electronics that make up your robot. Pololu 3541  

A set of adapters (adapter) from the motor shaft 6 mm to 12 mm, wheel holders from RC models. Pololu 2687

These aluminum gearmotor brackets let you securely mount our larger Pololu plastic gearmotors (228:1 offset, 120:1 offset, 200:1 90-degree, and 120:1 90-degree) to your project. These brackets are sold in pairs, and each bracket comes with two 1″ long and two 0.75″ long #2-56 screws for securing different size motors.

Solarbotics GMB28 (GM2/GM8 Gear Motor Bracket, Laser-Cut Steel)

The mountings allow the engine to be mounted on the Romi Chassis chassis. The motor is snap-fitted, which facilitates its quick assembly. The fixings are in blue. Pololu 3526

Tamiya 70156 Long Universal Arm Set

Tamiya 70121 Pulley Unit Set