Onyx Vesper Rear Hub - 12 x 148mm 6-Bolt Black 28H XDR/XD ModelNumber=24706 Color Red/Silver

Color Red/Silver

6 (1-1/8") Front Derailleur Clamp 31

Rear Axle Type Standard QR Rear Hub Spacing (mm) 135

Whether youre on pavement gravel or the cyclocross course the Grail CB7 is smooth and fast

Onyx Vesper Rear Hub - 12 x 148mm 6-Bolt Black 28H XDR/XD ModelNumber=24706 Color Red/SilverOnyx Vesper Rear Hub 12 x 148mm 6 Bolt Black 28H 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