e*thirteen Sidekick Rear Hub 28h 148x12mm Boost Microspline D

The Sidekick GR Rear Hub delivers e*thirteen’s groundbreaking anti‑kickback drive mechanism with adjustable deadband, dramatically improving suspension performance, reducing fatigue, and providing near‑silent operation. This Boost 148mm version features a Microspline driver and 28‑hole drilling, backed by World Cup–proven reliability.