EBMX Competition Jackshaft for Ultra Bee Backou Increased leverage ratio for more

Increased leverage ratio for more bottom out support

race-ready

Sandblasted and anodized for clean finish

Rubber compound increases traction while maintaining durability

The PowerGrip GT4 features a robust high-torque synchronous design and optimized tooth shape to maintain proper clearance to the flanged pulleys found on Sur-Ron and Segway e-bikes

EBMX Competition Jackshaft for Ultra Bee Backou Increased leverage ratio for moreCompetition 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