E*thirteen Sidekick R XD Hub 28h 12x157 SuperBoost Blk/S

Designed to enhance suspension performance by eliminating pedal kickback- Front comes with 15mm and 20mm end caps for 110mm Boost- Proprietary freehub mechanism disengages the drivetrain from the rear wheel when coasting and an adjustable engagement deadband filters kickback and chain vibration before it reaches the pedals- 60T ratchet ring with innovative pusher driven pawl system provides silent operation and reduced drag by remaining disengaged unless pedaling- Adjustable pawl-pusher allows tool free tuning of deadband between 12, 15, and 18 degrees to suit rider preference and bike type