JD274 chain-guide , used in European series roller chains with straight connections ( pitch 10.05mm , roller dia 1.07 mm ), JD274 chain-guide , used in European series roller chains with straight connections ( pitch 10.05mm , roller dia 1.07 mm )Weight: 0.79 kg/m; Welcome to your inquiry and OEM , we will offer you best price JD274 chain-guide profile