Primary Belt to Chain Conversion Kit | 420 | RK MXU | Surron LBX EV Warehouse 45% lighter than OEM steel

45% lighter than OEM steel — meaningful weight reduction at the gearbox

One-way check valves do more harm than good this kit fixes the problem properly

Blackline 19" Front Wheel for Surron & E-Ride PRO SS 2

E-Ride PRO SS 2

Brake Post Mount: 200mm

Primary Belt to Chain Conversion Kit | 420 | RK MXU | Surron LBX EV Warehouse 45% lighter than OEM steelDirtyBike Primary Drive System With RK 420 GB MXU Chain The Best Sealed 420 Chain Available Dont risk your stock belt failing in the middle of a ride install a DirtyBike primary chain drive system. With the world famous RK 420 GB MXU chain, this is a necessary upgrade for the serious off road rider and maintains stock gear ratio. RK GB 420 MXU Sealed chain is one of the strongest and quietest 420 chains available. Master link makes for easier