Fat Bike Rear Hub Color:Candy Red Ventilation channels are optimized to

Ventilation channels are optimized to ensure airflow and comfort on even the hottest rides

The 50% smaller packed size makes it also a spare tube which fits in every pocket

flexible center sipes fold out under braking force for increased ground contact and adhesion

steel ball bearings and features multiple technologies that provide smooth

Constructed using a 6mm aluminum rod

Fat Bike Rear Hub Color:Candy Red Ventilation channels are optimized toMachined 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. Modular Freehub Unit (MFU) for quick compatibility to multiple Freehub standards, with silent instant engagement Grease is durable to 65 Fahrenheit XDR XD Compatible Optional alloy driver upgrade available separately