Heavy Hitter 520 Primary Drive Conversion OEM/EBMX Ultra Motors LT Racing and reduce long-term frame and

and reduce long-term frame and pivot wear

Fits MX3 and MX4 bikes

Freeride 250R (2014-2017)

and you’re ready to hit the road with full control over your stealth level at the flip of a switch

Heavy Hitter 520 Primary Drive Conversion OEM/EBMX Ultra Motors LT Racing and reduce long-term frame andThe 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