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Hubs - Rear (BOOST)


ONYX MTB Rear Hubs (12x148mm)

Onyx hubs transfer power from your pedals to your rear bike wheel instantly for faster acceleration and more control. Hybrid ceramic bearings reduce front and rear wheel rolling resistance to the point of disbelief.

The patented sprag clutch design removes the play and clickety–clack of pawls against teeth in the rear hub to silence your coasting.

Onyx hubs transfer the precise amount of torque you want to the ground when you need it. Nasty climbs on boulders and rock require just the right amount of instantaneous power but only at your command. There is no substitute for absolute control of your machine.

Use your precious energy wisely. Uphill or downhill, Onyx ceramic hybrid bearings get you rolling faster and with less effort. Stay fresh longer and go farther.


 Hub Type Rear
Axle Width 148mm
Disc Brake Rotor Mount 6-bolt
Spoke Count 32
Freehub Body Shimano (11-speed), SRAM XD
474 grams


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