Sram Chain Ring Eagle X Sync 30t Direct Mount 3mm Offset Boost Alum 12 Speed Gold: Gold 12spd Cw8030150

X-SYNC 2 chainring design increases chain retention, wear life, and reduces friction and noise Designed to be used with Eagle chain Design reduces friction and the accumulation of mud, grit and grime. X-SYNC 2 chainring design increases chain retention, wear life, and reduces friction and noise Designed to be used with Eagle chain