Onyx Vesper Rear Hub - 12 x 148mm 6-Bolt Black 28H XDR/XD Model=Front Thru Axle 1" tire widths (43/30T chainrings

1" tire widths (43/30T chainrings only)

and track-specific carbon laminate Fastest with 23mm tires on the velodrome The wheel remains flat from its widest point to the hub and features a proprietary textured surface SRAM Model ID: WH-SP9-TLTK-B1

SRAM GX Eagle 12 Speed

S Lower ZS56

Onyx Vesper Rear Hub - 12 x 148mm 6-Bolt Black 28H XDR/XD Model=Front Thru Axle 1" tire widths (43/30T chainringsOnyx 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 hubs from Onyx intended for cross country and trail use