Sidekick Rear Hub 32h 157x12mm Superboost XD

e*thirteen Sidekick Rear Hub 32h 157x12mm Superboost XD Driver Black/Sterling Silver
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 Superboost/DH 157mm version features an XD driver and 32‑hole drilling, backed by World Cup–proven reliability.

e*thirteen Sidekick GR Rear MTB Hub – Superboost/DH 157mm, XD Driver, 32H

The Sidekick GR Rear Hub is a major advancement in MTB hub technology. Developed and refined over multiple seasons with top World Cup teams, it enhances the suspension performance of any full‑suspension bike by virtually eliminating pedal kickback, reducing drag, and delivering a near‑silent ride. With broad driver and spacing compatibility, the GR is the most versatile hub in the Sidekick lineup.

Key Performance Features

• Anti‑kickback drive mechanism with adjustable deadband (12°, 15°, 18°)


• Decoupled freehub disengages during coasting for reduced drag and smoother suspension


• Near‑silent operation for an immersive riding experience


• Reduced chain slap and vibration for improved comfort and control


• World Cup–proven reliability, fully serviceable and rebuildable

How Sidekick Improves Suspension

The adjustable deadband filters chain tension before it reaches the pedals, allowing the rear suspension to move freely without resistance from pedal kickback. This results in:

• Better small‑bump sensitivity


• More consistent suspension performance


• Improved traction and cornering stability


• Reduced rider fatigue on long descents

Technical Specifications

• Axle: Superboost/DH 157 × 12mm


• Driver: XD


• Hole Count: 32H


• Disc Mount: 6‑Bolt


• Spokes: J‑bend


• Ratchet Ring: 60T pusher‑driven 3‑pawl system


• Deadband Adjustment: 12° / 15° / 18° (tool‑free)


• Compatibility: Boost 148mm, Superboost 157mm, 148 DH, 157 DH


• Driver Options: XD, HG, Microspline, Mini‑HG, 7‑speed integrated cassette


• E‑MTB Compatible: Yes


• Warranty: 5‑year

Why Riders Choose Sidekick GR

• Virtually eliminates pedal kickback


• Significantly reduced coasting drag


• Quieter, smoother, more controlled ride feel


• Broadest driver and spacing compatibility in the lineup

The e*thirteen Sidekick GR Rear Hub is the ultimate upgrade for riders seeking maximum suspension performance, reduced fatigue, and a near‑silent, ultra‑smooth ride.