EBMX Competition Jackshaft for Ultra Bee CheckoutSpec= Shimano/Sram 11/12s Compatible The SRAM PowerSpline bottom bracket

The SRAM PowerSpline bottom bracket features a proprietary spline design used with many OE spec moderately priced TruVativ cranks

The Galaxia relies on a swing system that ensures the rollers can swing forward and backward

model Tigon Coil stroke 65mm eye-eye 205mm (trunnion)

Upgraded axle set for converting standard DT-5 to DT-5

Features a removable battery and quick-snap magnetic charging ports for convenience (battery sold separate)

EBMX Competition Jackshaft for Ultra Bee CheckoutSpec= Shimano/Sram 11/12s Compatible The SRAM PowerSpline bottom bracketCompetition use jackshaft developed in house by EBMX and used in E Xplorer and global race events. The original Ultra Bee jackshaft was never intended for 50 plus KW, 90 foot jumps and aggressive off road riding. Once you have to ditch the belt due to increased power and required reliability, the original jackshaft starts to fail, from snapping secondary sprocket bolts on landings and completely ovaling the entire body where the bearings fall out. It