Electric Bicycle Chain Roller Guide Tensioner Idler(Black)

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
• Smooth rotoring and longer life
• Easy to install