Our Oval Shimano Chainring fits Shimano M7100 M8100 and M9100 Cranksets. Tooth pattern designed specifically to work with the Shimano 12 speed hyperglide chain. It is CNC machined in-house in the UK from 7075 T6 aluminium and anodised locally. 12% Ovality. Clocking of crank arm positions major diameter in the optimum position of your power stroke 116 degrees
- Fits Shimano M7100 M8100 and M9100 Crankset
- Tooth pattern designed specifically to work with the Shimano 12 speed hyperglide chain
- CNC machined in-house in the UK from 7075 T6 aluminium and anodised locally
- 12% Ovality
- Clocking of crank arm positions major diameter in the optimum position of your power stroke 116 degrees
- Boost offset