- Direct mount retainer ring designed specifically for our RX crankset
- No need for separate spider and bolts for a lighter set-up
- Narrow/wide tooth profile to keep the chain where it should be
- Sizes 38/40/42/44 tooth
- Optimised 45mm chainline
- Compatible with 9,10,11 and 12 speed set-ups
- CNC machined in 7075-T6 aluminium
- 6 colour options
- Hard anodised finish makes them ultra-durable and increases longevity
- Weight: 38T – 94g|40T – 104g|42T – 114g|44T – 125g