SRAM X-Sync 2 Eagle Chainring - 32t 104mm BCD 12-Speed Aluminum BLK MahleSRAM 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. The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain Designed for use with Mahle 104 BCD eBike spiders and SRAM T