hot sale motorcycle cylinder kit 1>we are motorcycle cylinder manufacturer 2>The lead time: ... >we also do OEM Service Bore size50 mmAdaptable typeSingle cylinder air coolingStructureCylinder BlockBody materialChoiced boron ally cast ironModel No.EX5/GRAND ... motorcycle parts, like as chain and adjuster, clutch disc, piston kit (piston, piston rings, piston pin, clamping spring), brake shoe, and ...