Onyx Vesper Rear Hub - 12 x 148mm 6-Bolt Black 32H Micro Spline MFPN=50583 The new version weighs 167

The new version weighs 167 grams less than previous models

Fits any 96 BCD Shimano symmetric 4-bolt crankset

} Scaled down enduro machine designed to help kids learn skills and build confidence on the trails Single bike with customizeable graphics

The IHS XXL mount is a stronger and longer version of the standard IHS mount specifically designed to support larger devices and increased load without compromising stability

8mm (Thin)

Onyx Vesper Rear Hub - 12 x 148mm 6-Bolt Black 32H Micro Spline MFPN=50583 The new version weighs 167Onyx 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