Round Shape Narrow Wide Chain Ring

Specifications: Material: Aluminum Alloy 7075-T6 Teeth:32T 34T 36T 38T Size:104BCD Color: Black Red Blue Gold Green purple Round Weight: 32T-- about 40g; 34T-- about 48g; 36T-- about 58g 36T-- about 65g  Features: Extended edition plus or minus tooth shape, the chain can effect better; CNC machining integrated, the intensity is more secure, apply for long time cycling; The positive tooth corresponding chain tooth width; tooth corresponding negative chain is narrow. It can help the vehicle reduce 1kg weight. Please determine your crank 104 BCD specification carefully before buying.