The Ultra SS is the flagship offering from Onyx. Serving as the beefed up big brother to the Ultra line of bmx hubs. The SS is built to last and can handle the highest torque values! All SS rear hubs come standard with Ceramic Hybrid bearings and Titanium bolts for improved durability and weight savings. Instant, silent and near-frictionless, it doesn't get much faster than this. 

• 10mm (3/8) Bolt-On
• 15mm Bolt-On
• 15mm Thru Bolt (included)
• 20mm Thru Bolt (included)

Cog not included