Wolf Tooth 107 BCD Chainring - 42t Compatible SRAM 107 BCD Drop-Stop B 4-Bolt BLK Caliper Brake Part A medium flex binding that

A medium flex binding that is stiff enough for the most advanced level rider

Weight 90 Mount | Rotor Size Rear IS | 203 Rotor

Horizontal Parallelogram stabilizes the rear derailleur over rough terrain

Its slide-out feature brings the rack bottom out over the side of the car for easy loading and unloading

They're lightweight

Wolf Tooth 107 BCD Chainring - 42t Compatible SRAM 107 BCD Drop-Stop B 4-Bolt BLK Caliper Brake Part A medium flex binding thatWolf Tooth 107 BCD Chainring 42t Compatible with SRAM 107 BCD Drop Stop B 4 Bolt Black. The Wolf Tooth 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. Drop Stop