The Onyx Ultra quickly became the "Gold Standard" throughout the racing scene. The instant-engagement system features no play or slack in the drive system with instant reaction to torque. The included ceramic bearings bolster performance and durability. 

FEATURES:

• Ceramic Hybrid bearings
• Instant engagement
• Machined alloy lockring
• Shimano compatible driver fits several cog options including the Onyx Cog (not included)
• 36 Hole
  

Available with 15mm thru axle.

We offer custom widgets and shell colors as well, contact us for any specialty order