FOMTOR 104 BCD Chainring 42T 7-12 Speed Compatible CNC 7075 Aluminum Narrow Wide Tooth Round Chainrings for MTB/Road Bike Ebike Chainwheel Black

This product is ideal for mountain bikers and road cyclists who require a chainring designed to withstand high speeds, especially in narrow, wide tooth teethed chains, particularly suited for rear derailleurs with 7-12 speed gears.