Wolf Tooth Elliptical 107 BCD Chainring - 42t Compatible SRAM 107 BCD Drop-Stop B 4-Bolt BLK

.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}Wolf Tooth Elliptical 107 BCD Chainring - 42t Compatible with SRAM 107 BCD Drop-Stop B 4-Bolt Black. The Wolf Tooth Elliptical 107 BCD Chainring for SRAM cranks is compatible with most new SRAM 1x road cranks that use the 107 BCD spider including the SRAM AXS Power Meter Spider. This chainring uses the patented Wolf Tooth Drop-Stop B Wide/Narrow tooth profile that is optimized for drop bar bikes and designed best wear life mud clearance and chain retention.Elliptical chainring shape provides better efficiency in the recovery zone as well as increased traction thanks to consistent torque Drop-Stop chainrings are designed for use with 1x9 1x10 1x11 and 1x12 drivetrains Compatible with all 10- 11- and 12-speed chains with the exception of Shimano 12-speed chains Shimano 12-speed chains require the use of Wolf Tooths Shimano 12-speed specific chainrings Fits 107 BCD