SRAM X-Sync Eagle 12sp Boost DM Ring 38t Polar Gray Weight-153g Total Stack Upper Headset -

Total Stack Upper Headset - 3

}KMC XGlide EPT Chain - 9/10/11-Speed 126L Optimized for Shimano CUES Drivetrain Gray

Weight:  ReMote Pro 22

Color Black Lower Stack Height 4 Bearing Type Cartridge Crown Race 30 Weight 63 Defined Color Black Upper Stack Height 8 S

}The world’s best gravity racers need it

SRAM X-Sync Eagle 12sp Boost DM Ring 38t Polar Gray Weight-153g Total Stack Upper Headset -Newly redesigned X Sync 2 provides better chain retention resulting in a smoother more efficient pedal feel. New aggressive tooth profile reduces friction and debris build up for superior longevity. Compatible with all Sram Eagle 12 speed and Sram 11 speed 1x drivetrains. Robust forged and machined aluminum for ultimate strength. Designed to pair flawlessly with the Eagle chain TECH SPECS Mount Compatibility Direct Mount Teeth 38T Type Material Spec