Onyx Vesper MTB Boost Hubs


Very special boost hubs made by Onyx (USA).

Featuring their unique patented sprag-clutch design which is instant-engaging and completely silent. The freehubs which engage via a bearing brake rather than traditional ratchet.

Sold as a pair only. Anodysed black.

Front: 176g
Rear: 420g

SKU: N/A Categories: ,

Additional information



Axle interface type (Front)

15x110mm (boost)

Freehub Body Type