SRAM 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.Features-Designed for use with Mahle 104 BCD eBike spiders and SRAM T-Type 104 BCD spiders-The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chainItem Specifications-Chainring BCD:104-Color:Black-Defined Color:Black-Drivetrain Speeds:12-Material:Aluminum-Ring Position/Type:Chain Retaining Single Ring-Tooth Count:32