... (B series) 1.Standards:ISO/DIN/ANSI 2.Good quality and best delivery time 3.Made Style:Manufacture and OEM B series roller ... chain made accord to ISO9001:2000.Colour:natural, shot peening, blue, yellow Main products as the following: 1.Motorcycle ... -Ring Motorcycle chains: 428SO,520SO,525SO,530SO3. Roller chains: A series and B series4. Silent chains: SC3,SC4,SC5,SC6,SC8 ...