Brand:MOTSUVMaterial:Aluminum Alloy 7075-T6Teeth:32T 34T 36T 38TSize:104BCDColor:Black Red Blue Gold Green purpleProcess:CNC+AnodizingRound Weight: 32T-- about 40g; 34T-- about 48g; 36T-- about 58g 36T-- about 65g 1.Extended edition plus or minus tooth shape, the chain can effect better;2.CNC machining integrated, intensity is more secure, appply for long time cycling;3.The positive tooth corresponding chian tooth width; tooth corresponding negative chain is narow.4.It can help the vehicle reduce 1kg weight.5.Please determine your crank 104 BCD specification carefully before buying.