Wolf Tooth Elliptical 3-Bolt Boost DropStop B Ring OVAL-SDM28-BST-B

- Elliptical shape for improved power transmission\n- Asymmetrical tooth shape for the best wear life, chain retention and mud clearance \n- Fits SRAM and other 3-bolt direct mount cranks\n- Dished ring provides 50mm chainline on GXP or BB30 / PF30 long spindle (with15.4mm drive side spacer) \n- Drop-Stop B rings are compatible with 10/11/SRAM 12sp chain and Flat Top/Transmission chains. Not compatible with Shimano 12 speed \n- Made in the USA from 7075-T6 aluminum alloy