Brand:WUZEI

Teeth: 32T 34T 36T 38T 40T 42T  Size:104BCD Color: Black Process:CNC+Anodizing 

Feature

-Extended edition plus or minus tooth shape, the chain can effect better; -CNC machining integrated, intensity is more secure, appply for long time cycling; -The positive tooth corresponding chian tooth width; tooth corresponding negative chain is narow. -It can help the vehicle reduce 1kg weight. -Please determine your crank BCD specification carefully before buying.