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
Extremely low rolling resistance
Silent instant engagement
Hub Drilling: 36
Hub/Brake Compatibility: Rim Brake
Hub Type: Rear Cassette
Cassette Body Type: Shimano
Axle Size: 3/8"
Defined Color: Black
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