Heavy Hitter 520 Primary Drive Conversion OEM/EBMX Ultra Motors LT Racing Our Blackline Wheelsets for Sur-Ron

Our Blackline Wheelsets for Sur-Ron and E-Ride PRO bikes are built for the next-gen rider who wants performance

Freeride 250R (2014-2017)

Buyers and Maintenance Guide

compatible with Surron

If the rear most hole has a smaller inside diameter you will need version 2 (V2)

Heavy Hitter 520 Primary Drive Conversion OEM/EBMX Ultra Motors LT Racing Our Blackline Wheelsets for Sur-RonThe Heavy Hitter 520 Primary Drive Conversion is the lightest 520 chain drive kit on the market for the Sur Ron Ultra Bee, designed for riders who want maximum performance with minimum rotational mass. As seen on EBMX FIM E Xplorer race team bikes ridden by Jack Field and Jess Gardiner. Fitment: Sur Ron Ultra Bee OEM Motor Sur Ron Ultra Bee EBMX V1 and V2 XUB 80 Motor Download Tech Sheet (Assembly & Torque Specs) NOTE: For EBMX and OEM motors. Some