Electric Bicycle Chain Roller Guide Tensioner Idler is a replacement part designed for motorized bikes. It functions to maintain chain tension and improve performance.
Product type: Replacement Parts
Compatibility: 49cc, 50cc, 60cc, 66cc, 80cc Engine Motorized Bike
Material: A3 steel + iron + plastic
Key feature: Spring loaded tensioner
Color/Variant: Black
Intended use: Everyday use
Category: Motorcycle Accessories
Heavy duty chain idler guide wheel with upgraded torsion spring
Spring loaded tensioner automatically adjusting tension towards chain elongation
