•  Pedal conversion kit for the Sur-Ron with chain drive.
• Includes chain, pedals, bottom bracket, and crank arms.
• Hardware is not included.

Everything you need to switch your Sur-Ron MX to a working pedal system.  A simple install that takes around an hour, this kit includes crank arms, pedals, chain, and bottom bracket with 28T chainring. 

For documentation and installation see this page

NOTE: The Pedal System also works with 42T, 48T, 54T & 60T sprocket but you will need a chain extension that is not included! This kit is not made for any serious off-roading, it's purpose is to turn this bike into a street pedal bike. Bearings are not sealed so lube is required.