EBMX Competition Jackshaft for Ultra Bee Backou The PowerGrip GT4 features a

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

Sandblasted and anodized for clean finish

Ester-based

creating sharp edges

Stainless Steel Spokes With Alloy Nipples

EBMX Competition Jackshaft for Ultra Bee Backou The PowerGrip GT4 features aCompetition 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