Have a Onyx Ultra ISO HG 10mm Bolt-on hub and now you need to convert it to a 15mm thru-bolt set up for a new frame you have coming? This kit has everything you need, except you'll need to grab a thru-bolt if your frame doesn't include one.
Components included:
- 15mm inner axle.
- End cap, 15mm, right.
- End cap, 15mm, left.
- Bearing lockring for preload adjustment.
- Replacement driver bearing, 17287.






