Wolf Tooth Elliptical 107 BCD Chainring - 38t Compatible SRAM 107 BCD Drop-Stop B 4-Bolt BLK ModelNumber=E3939 }SRAM Rival DoubleTap Left Shift/Brake

}SRAM Rival DoubleTap Left Shift/Brake Lever Carbon Fiber Lever Blade

Reduced friction internal sealing

9 30w Rim - 27

Simple size system for optimum comfort and performance: the three rows of knobs serve as reference points for handle size and winding thickness

Compatible with most 1/2"x1/2" rear shock eyelets

Wolf Tooth Elliptical 107 BCD Chainring - 38t Compatible SRAM 107 BCD Drop-Stop B 4-Bolt BLK ModelNumber=E3939 }SRAM Rival DoubleTap Left Shift/BrakeWolf Tooth Elliptical 107 BCD Chainring 38t 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