For those looking for more top-end torque for the Sur-Ron Ebike, the 52T Rear Sprocket will deliver.

Adds 20% to the acceleration and hill climbing while taking the  top speed down from 45 mph to 38 mph

Extremely light weight cnc made in our machine shop from aircraft grade  7075 billet aluminum.  Attention to detail at every corner for a true statement in elegant machining.