This Product Comes in a Set of 4 and with 40T or 45T Pulleys for Your Choice.
1, Diameter 120mm Polyurethane(PU) all terrain off road electric skateboard longboard wheels,it can go anywhere you want,mud grass rock concrete, you named it.
2, Patented Damping Foam Core Technology - The Cloud Wheel with the damping foam core filters out most of the vibrations than the regular wheel. Using IWonder Cloud Wheel, you don't want to use the other skateboard wheels anymore. This is a major innovation in the history of skateboarding.
3, Cast with 78A super-high-rebound urethane for unparalleled speed.
4, With ABEC 7 bearings and 8mm* 10mm Bearing spacers.The bearings are smooth and spin freely.
5, Able to Mount on Many Eboards and Longboards - Verreal RS, Slick,Evolve,Metro and Boosted (with special pulley kit) many more with the 6 spoke core.