China best Chain Double Pitch Sprockets Roller Chain

Product Description  Model NO.: P37AName:  Chain Double Pitch SprocketsInner Slot Option: 25mm/38mmTeeth: 9 Teeth/11 TeethExport Markets: GlobalManipulate Way: Semi-Automatic ManipulationChanges Way: SteplessTrademark: XIHU (WEST LAKE) DIS.HUA Product...