Wolf Tooth 107 BCD Chainrings for SRAMThe 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. Fits 107 BCD for SRAM Cranks Drop Stop technology prevents dropped chains. On Wolf Tooths patented wide narrow chainring, the wide side of the tooth has maximum