Art grade metal piece made for the Sur-Ron Ebike, the Giant 64T Rear Sprocket will give you a huge amount of torque (at a cost of a slightly less higher top-end) and make dirt climbing a worry of the past. 

Extremely light weight cnc made from aircraft grade 7075 billet aluminum. 

The sprocket will come with a piece of chain and masterlink so that you can increase the size of your chain.  When please checking out tell us if your bike is an X  bike or standard bike so we know what kind of chain to give you.