Compatibility
ONLY for Sram cranks that have 1 hidden chainring bolt behind the crank arm: Sram Red, Red eTap, Red22, Force1, Force22, Rival, Rival1. Compatible with Quarq. For Apex cranks - please navigate to our standard 110/5 rings.
Bolts
- Reuse original Sram bolts except the hidden bolt. AB Outer chainring comes with the hidden bolt in the package
- If changing inner chainring only - reuse all original bolts
Absolute Black always recommends using a new chain when fitting new chainrings.
What size should I choose?
- 34T inner chainring should be used with 50T outer ring. It has 6.5% ovality
- 36T inner chainring can be used with 50 or 52T outer ring. It has 11.4% ovality
