SRAM X-Sync 2 Eagle Direct Mount Chainring - 30 Tooth 3mm Boost Offset 12-Speed BLK Gold MFPN=RR21BG4DM5536TSHI12BLK } Clamp height adjusts from

} Clamp height adjusts from 41

Keep going strong with up to 1 year of battery life

compatible with rechargeable battery

Fitment Series design approach ensures a perfect transition from tire to wheel

SRAM X-Sync 2 Eagle Direct Mount Chainring - 30 Tooth 3mm Boost Offset 12-Speed BLK Gold MFPN=RR21BG4DM5536TSHI12BLK } Clamp height adjusts fromSRAM X Sync 2 Eagle Direct Mount Chainring 30 Tooth 3mm Boost Offset 12 Speed Black with Gold. Intense study of chain and chainring wear patterns led to the radical tooth profile that lasts longer runs quieter and further improves chain retention. Fully CNC Aluminum ring construction Eagle technology provides an expanded optimum gear range for 1x drivetrains X SYNC 2 chainring design increases chain retention wear life and reduces friction and noise