BENCHWHEEL Drive Pulley Wheel Pulley Motor Pulley Belt Kit for DIY Electric Skateboard Longboard (6 Teeth Gear Kit) Price: $25.99 (as of 12/02/2021 06:39 PST- Details)

Snap-on drive pulley wheel: No need to screw, just stuck it into your wheel. Super convenient.
Compatible with:Wheels with 6 teeth gear core, 83/920/97/100 mm wheels.
What’s in the package: 48 teeth wheel pulley(Compatible with 6 teeth gear core)*1, 16 teeth motor pulley*1, 13 mm 225-3M belt*1, M3*3 screw *3 (2 for use and 1 for spare).