• 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 reducer Condition: Brand New Material: Made of aluminum alloy
  •  
  • Package Include:  Gear Reduction Box × 1 T8F 11T Sprocket × 1 T8F 13T Sprocket × 1 T8F 14T Sprocket × 1 T8F 17T Sprocket × 1 T8F 20T Sprocket × 1 Mounting Bolts Kit × 1

    • 47cc 49cc 2-Stroke Transmission Gear Reduction Box Clutch For T8F 11T- 20T Teeth

    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 reducer
    Condition: Brand New
    Material: Made of aluminum alloy

     

    Package Include: 
    Gear Reduction Box × 1
    T8F 11T Sprocket × 1
    T8F 13T Sprocket × 1
    T8F 14T Sprocket × 1
    T8F 17T Sprocket × 1
    T8F 20T Sprocket × 1
    Mounting Bolts Kit × 1

    W/O Product Instruction


    Note:
    Please confirm size of your part.

    This double chain is 91mm, not 116mm. 

    Please make sure that the model and appearance of your equipment are exactly the same as our products.  
    If you are not sure, please contact us in time.
    Thank you for your cooperation


    Item Specifics
    Country of Origin United States
    Brand etecgo
    Condition New
    Type Double chain gearbox
    Manufacturer Part Number 520674
    Surface Finish Standard
    Modification Description No
    Modified Item No
    Warranty 90 Day

    Payment

    Delivery details

    Terms of sales

     1.This item come with a warranty.The warranty covers against defective workmanship only,misuse or willful damage will render the warranty void.
       

    2.If the item you have received is defective in any way,please email us for return instructions.We do not allow returns without first requesting an RMA (Retruned Merchandise Authorization).
       

    3.If you have any questions,please contact us via ebay message system. Please DO NOT leave a negative feedback before contact us,We will reply you in 24 hour. We are prompt that we be able to resolve any issue you may have.

    Contact Us

    If you have problem, please do not hesitate to contact us by eBay message. We will respone ASAP.
    We appreciate feedback from our customers and strive to maintain a rating as close as possible to 100% perfect "Five-Star." If anything about your transaction did not meet your expectations, please let us know and provide us with the opportunity to fix our issues before you leave feedback. Customer service is very important to us , hope you can enjoy our store.

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    47cc 49cc 2-Stroke Transmission Gear Reduction Box Clutch For T8F 11T- 20T Teeth

    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 reducer
    Condition: Brand New
    Material: Made of aluminum alloy

     

    Package Include: 
    Gear Reduction Box × 1
    T8F 11T Sprocket × 1
    T8F 13T Sprocket × 1
    T8F 14T Sprocket × 1
    T8F 17T Sprocket × 1
    T8F 20T Sprocket × 1
    Mounting Bolts Kit × 1

    W/O Product Instruction


    Note:
    Please confirm size of your part.

    This double chain is 91mm, not 116mm. 

    Please make sure that the model and appearance of your equipment are exactly the same as our products.  
    If you are not sure, please contact us in time.
    Thank you for your cooperation

    Item Specifics
    Country of Origin :United States
    Brand :etecgo
    Condition :New
    Type :Double chain gearbox
    Manufacturer Part Number :520674
    Surface Finish :Standard
    Modification Description :No
    Modified Item :No
    Warranty :90 Day


     1.This item come with a warranty.The warranty covers against defective workmanship only,misuse or willful damage will render the warranty void.
       

    2.If the item you have received is defective in any way,please email us for return instructions.We do not allow returns without first requesting an RMA (Retruned Merchandise Authorization).
       

    3.If you have any questions,please contact us via ebay message system. Please DO NOT leave a negative feedback before contact us,We will reply you in 24 hour. We are prompt that we be able to resolve any issue you may have.

    If you have problem, please do not hesitate to contact us by eBay message. We will respone ASAP.
    We appreciate feedback from our customers and strive to maintain a rating as close as possible to 100% perfect "Five-Star." If anything about your transaction did not meet your expectations, please let us know and provide us with the opportunity to fix our issues before you leave feedback. Customer service is very important to us , hope you can enjoy our store.


    All rights reserved.

    On Jun 2, 2026 at 02:42:10 PDT, seller added the following information:

    Datacaciques