Rear XC Boost

Whether as a mountain biking enthusiast you ride Cross-Country, Marathon or Trail, with XC rear bike hubs you get more control over your bike’s handling. The Vortex freewheel system delivers almost instant engagement. That is as little as 6 degrees of the free movement, and it brings to play a progressive lock. No matter how large your cassette gearing options are, or how strongly you pedal to attain the power output, the progressive lock makes the engagement stronger, efficiently transferring the power to a wheel.


28 / 32


285 g


  • 148×12 mm Boost Thru Axle
  • 141xQR

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