Oval 110 BCD Asymmetric 4-Bolt Chainrings for Shimano Cranks Tooth Profile:Drop-Stop B For an especially smooth

For an especially smooth

but not 120-deep

A glide wax for alpine and cross-country skiing

Jones H-Bar Loop SG 2

Oval 110 BCD Asymmetric 4-Bolt Chainrings for Shimano Cranks Tooth Profile:Drop-Stop B For an especially smoothCompatibility 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