MakerHawkMotor Speed Controller PWM DC 12V 24V 60V 500W Adjustable Speed Regulator with Stepless Variable Rotary Switch PWM Signal Generator Driver Module

DC Motor Speed Controller PWM Speed Controller DC 12V 24V 60V 500W Electric Motor Speed Control Regulator Power Wheels Speed Controller with PWM Signal Generator Driver Module

Greartisan DC 12V 100RPM Gear Motor High Torque Electric Micro Speed Reduction Geared Motor Centric Output Shaft 37mm Diameter Gearbox

BESIY Bearings for Skateboards, Longboards, Inline Skates, Roller Skates, Spinners, Double Shielded,8x22x7 Miniature Ball Bearings, 608, ABEC-9(Pack of 8)