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