Wolf Tooth Oval 110 BCD Asymmetric 4-Bolt Chainrings for Shimano Cranks Tooth Count:44T Extensions (AR566) for alpine skiing

Extensions (AR566) for alpine skiing

If the serial number begins with 21H05 or 21H06

Stretch material on the back for increased mobility and comfort

Weight 12g

But the remaining twenty percent requires most of our efforts

Wolf Tooth Oval 110 BCD Asymmetric 4-Bolt Chainrings for Shimano Cranks Tooth Count:44T Extensions (AR566) for alpine skiingCompatibility These rings are for use with Shimano 110 BCD Asymmetric 4 bolt cranks. Compatible with Dura Ace 9000, Ultegra 6800, 105 5800, Tiagra 4703 or 4700, Sora R3000 or R3030, and Claris R2000 or R2030 cranks. Sizes 40T and larger are compatible with Dura Ace 9100, Ultegra 8000, and 105 R7000 but a slight modification is required due to a change in the crank arm profile. The 38T chainring will not work for this modification. Click here to review