Onyx Ultra SS OX hubs a made to the tightest tolerances on the planet. Using sprag internals for strength, extremely low rolling resistance and infinite points of engagement.

• Ceramic hybrid bearings
• 7075 Aluminum Hub Shell
• Adjustable Preload
• Titanium bolts
• Extremely low rolling resistance
• Silent instant engagement
• 5 year limited warranty
• Made in the USA
• Hardened heat treated stainless steel driver
• Integrated labyrinth seal on the driver
• Adjustable sideload
• Patented sprag clutch mechanism
• Knurled stainless washers with grippers
• Uses OX compatible cogs on the proprietary driver (cog not included)
• 100% more torque capacity than Onyx Pro hub
• 20mm axle hub that can be converted to 3/8" bolt on, 12mm and 15mm thru axles
  
  * Thru-Bolt axles sold separately.

*Tightening axle bolts more than 12NM will void the warranty