Wolf Tooth Shimano 110 Asymmetric BCD Chainring - 42t, 110 Asymmetric BCD, 4-Bolt, Drop-Stop, For Shimano Cranks, Black!
Designed to fit 4-arm 110 Asymmetric BCD Shimano Road Cranksets. These rings feature the patent pending Drop-Stop asymmetrical tooth design for the best in wear life, mud clearance, and chain retention.