These spacers are the standard size and will fit on all skateboard/longboard trucks that have 8mm axles (virtually every truck has the standard 8mm axle size) 4 Bearing Spacers - enough for a complete skateboard which SIGNIFICANTLY increase wheel performance and spin This kit features products that are the standard size Little Tikes Pincess Cozy Coupe ide-On Toy - Toddle Ca Push and Buggy Includes Woking Doos, Steeing Wheel, Hon, Gas Cap, Ignition Switch - Fo Boys and Gils Active Play , Magenta Add Cuei Longboard Bearing Spacers to your Cuei longboard wheels!, Adding spacers in between your bearings will align the bearing to the inner hub of... Shop Bones Bearings 8mm x 10mm Spacer (black) 4 Pack online 4 spacers are enough to outfit 2 trucks Speed Spacers Having speed spacers allows you to tighten your nuts down to eliminate wheel wobble and keep your wheels spinning smoothly and freely. These spacers are the standard size and will fit on all skateboard/longboard trucks that have 8mm axles. High Quality surgical grade steel spacers Longboard Hardware Skateboard Truck Speed Kit For Improved Bearing | Ubuy Skateboard Wheels And Bearings Set