Seller notes

Description:This gear box with twin-chain design for bigger torque transmission than standard reduction box with single chains.The reduction box comes with 11,13,14,17,20 teeth total 5 pcs of sprockets.The sprocket is compatible for T8F chains.The transmission kit should fit most 47cc/49cc 2-stroke pocket Bikes. Specifications: Reduction Ratio: 3 to 1 chain reducerCondition: Brand NewMaterial: Made of aluminum alloy Package Include: Gear Reduction Box × 1T8F 11T Sprocket × 1T8F 13T Sprocket ×...

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