SRAM X-Sync 2 Eagle Chainring - 38 Tooth, 104mm BCD, 12-Speed, BlackSRAM X SYNC 2 Eagle 1x chainrings provide a high level of performance and durability. The aggressive tooth design provides better chain retention for a smoother, more efficient pedal feel. With a focus on long wear life, the design reduces friction and the accumulation of mud, grit and grime. Designed for use with a SRAM Eagle 12 speed chain 4 bolt chainring features a 104mm BCD Crafted from CNC Aluminum The sharp and narrow tooth profile, as well as