型号：60BS70 2
厂商：Martin Sprocket & Gear
大小：21.81 Mbytes
页数：共122页
功能：Sprocket; Bored to size; 60 chain; 3/4"pitch; 2" bore; 70 teeth
型号：60BS70 2 3/16
功能：Sprocket; Bored to size; 60 chain; 3/4"pitch; 2 3/16" bore; 70 teeth
型号：60BS70 2 7/16
功能：Sprocket; Bored to size; 60 chain; 3/4"pitch; 2 7/16" bore; 70 teeth
