SRAM X-Sync 2 Eagle Direct Mount Chainring - 30 Tooth 3mm Boost Offset 12-Speed Polar Grey MFPN=SHDM32-BST-B and the intelligent Power Indicator

and the intelligent Power Indicator displays battery runtime

Charging is simple with an integrated cable-free USB stick

Tall knobs designed to penetrate and hold on loose terrain

Spring loaded push button cable tension quick release

SRAM X-Sync 2 Eagle Direct Mount Chainring - 30 Tooth 3mm Boost Offset 12-Speed Polar Grey MFPN=SHDM32-BST-B and the intelligent Power IndicatorSRAM X Sync 2 Eagle Direct Mount Chainring 30 Tooth 3mm Boost Offset 12 Speed Polar Grey. 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