Sram X-Sync Chainring 107BCD 12 Speeds Black Blast

Sram X-Sync Chainring 107BCD 12 Speeds Details : Bolt Circle Diameter (BCD) : 107 mm Speeds : 12 Material (Chainring) : Aluminum X-SYNCu2122 tall, square tooth design provides maximum chain control Sharp, narrow tooth profile and rounded chamfer edges help manage a deflected chain