4 Bolt Chain Ring from Onyx. CNC Machined from the highest quality Aluminium with an anodized finish. Available in a range of sizes and includes 5 Chain ring bolts.
Only Compatiable with Onyx chain ring bolts, which are included.
- CNC Machined Aluminium
- Includes 5 Chain Ring Bolts
- Fits 4 Bolt Cranks