Onyx BMX Ultra Rear Hub - 3/8" 10 x 100mm 6-Bolt Black 36H Thickness-3 }Shimano XTR BR-M9120 Disc Brake

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Onyx BMX Ultra Rear Hub - 3/8" 10 x 100mm 6-Bolt Black 36H Thickness-3 }Shimano XTR BR-M9120 Disc BrakeOnyx BMX Ultra Rear Hub 3 8" 10 x 100mm 6 Bolt Black 36H. 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 Silent instant engagement 5 year limited