Onyx Vesper Rear Hub - 12 x 148mm 6-Bolt Black 32H XDR/XD ModelNumber=K1327 Spring Weight 600

Spring Weight 600

} Durable 4-way stretch material

Half-waffle pattern on the front of the grip provides extra control when you are off the back of the bike

Thanks to its full X-SYNC design the harder you pedal the better it shifts

Onyx Vesper Rear Hub - 12 x 148mm 6-Bolt Black 32H XDR/XD ModelNumber=K1327 Spring Weight 600Onyx Vesper Rear Hub 12 x 148mm 6 Bolt Black 32H XDR XD. Onyx Vesper 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. Uphill or downhill Onyx ceramic hybrid bearings get you rolling faster and with less effort. Vesper hubs are the lightest MTB