Onyx MTB Rear Hub - 12 x 157mm 6-Bolt XD Black 32H ModelNumber=K6477 Note: Not all Presta valve

Note: Not all Presta valve cores are removable

COLORS: Gold

Crank Axel Finish - Plated

Material:  UV Stabilized Polyurethane

the spokes

Onyx MTB Rear Hub - 12 x 157mm 6-Bolt XD Black 32H ModelNumber=K6477 Note: Not all Presta valveOnyx MTB Rear Hub 12 x 157mm 6 Bolt XD Black 32H. Machined to the tightest tolerances. Onyx hubs use sprag internals for strength extremely low rolling resistance and infinite points of engagement. All Onyx hubs come standard with ceramic hybrid bearings so there is no need to upgrade. Ceramic hybrid bearings 7075 Aluminum Hub Shell Adjustable preload Titanium bolts Extremely low rolling resistance 5 year limited warranty Made in the USA TECH SPECS