Pulley Chain Tensioner Bracket Roller For 50cc-80cc Engine Motorized Bicycle Bike Push Bike Engine kit Chain Guard Protection

High-concerned chemical：None Origin：Mainland China Material：Metal + Plastic Feature1：Pit Dirt Spring Roller Wheel Chain Feature2：Adjuster Feature3：Chain Roller Guide Tensioner Feature4：Clip Spring Feature5：Chain Tension Adjuster

High-concerned chemical: None Origin: Mainland China Feature1: Pit Dirt Spring Roller Wheel Chain Feature2: Adjuster Feature3: Chain Roller Guide Tensioner Feature4: Clip Spring Feature5: Chain Tension Adjuster