CLEARANCE - BAC4000 Power Upgrade Kit Tune:12kW 60V The old design was one

The old design was one of the first products BBR made for the XR50

: Hemmed edges

Note: Only for use with 4 speed CT70H

you can install this kit as the parts are installed in the same manner as the OEM parts

Hit your favorite search engine and type in forged versus billet

CLEARANCE - BAC4000 Power Upgrade Kit Tune:12kW 60V The old design was oneASI BAC4000 Controller Setup ASI plug and play Harness with custom made cable extensions to fit controller better on Frame. Custom made Mounting brackets for the BAC4000. APT Color Display BMS bypass lead and detailed instructions are provided to perform a BMS Bypass on your stock SurRon 60V battery. (Options with Bypass Only) This is an electrical item so NO RETURNS as indicated in our return policy. BAC4000 TUNE OPTIONS: (setup for stock throttles)