EUNORAU 36V500W MTB bike Rear Cassette Conversion Kit
EUNORAU 36V500W MTB bike Rear Cassette Conversion Kit
EUNORAU 36V500W MTB bike Rear Cassette Conversion Kit
EUNORAU 36V500W MTB bike Rear Cassette Conversion Kit
EUNORAU 36V500W MTB bike Rear Cassette Conversion Kit
EUNORAU 36V500W MTB bike Rear Cassette Conversion Kit
EUNORAU 36V500W MTB bike Rear Cassette Conversion Kit
EUNORAU 36V500W MTB bike Rear Cassette Conversion Kit
EUNORAU 36V500W MTB bike Rear Cassette Conversion Kit

EUNORAU 36V500W MTB bike Rear Cassette Conversion Kit

Regular price $289.00


   Worldwide Free Shipping

   Use code EUNORAU to get an exciting discount

BTN version hub motor kit have 36V250W version ,36V500W version,48V500W version,48V750W FAT version,48V1000W version. 36V250W version is for street use, 500W version 750W FAT bike kit,1000W version is for off road use, all BTN version kit with strong hub motor,sin-wave controller and  K-LCD5 display, all kinds of compatible battery/Akku can find from our shop . It will make your life with fun after make the bike to electric, all the spare parts can find from our shop if something broken. We hope our BTN cheap kits can help everybody get electric!


Top Speed: 40km/h base on 28inch wheel

Battery Life: Over 800 Charges

Charge Time: 5 Hours


Kit Includes:

1x 36V500W Rear Cassette Motor Wheel With Aluminum Double Wall Rim

1x 36V20A Sin-wave Controller

1x Thumb Throttle,

1x Brakes lever

1x Pedelec sensor


1x Controller Box

*1x Battery(not included, check out from here)

                                      The Difference Between BTN&ENA Kit System



           ENA KIT SYSTEM


Works with Shengyi&Bafang motors

Works with Shengyi& Bafang motors,More silent


No communication between battery and controller

UART 5.8 communication between battery and controller


All cables open wire(No harness)

HIGO Water-proof connectors with Harness


All different PAS sensor

Only works with double hall PAS sensor or Torque sensor



All ENA(UART) Displays, More display for optional


All different brake sensor

All different brake sensor


All different throttle

All different throttle

Processing time: 1-3 business day.  


Shipping time: Based on the Country and Shipping methods.

Note: Affected by Covid-19, there will be some delay on the delivery.


Shipping Methods:


A.Electric bikes free shipping to the lower 48 States will ship by Fedex/UPS from Las Vegas in USA.Estimate delivery time 5-7 days.Shipping to Australia are free shipping.Shipping to Canada will ship by UPS,please choose +200 shipping method when you check out the order,.Estimate delivery time 7-15 days,  shipping to Hawaii/Alaska&other countries,please choose +500 shipping method when you check out the order,Estimate delivery time 7-15 days.


B.The Conversion kit&Parts order more than 100USD will ship by Fedex/UPS,Estimate delivery time 7-10 days.


C.The Battery will ship by Fedex,Estimate delivery time 10-15 days.


D.The Spare parts order less than 100USD will ship by Economic Post,Estimate delivery time 15-30 days.if you want ship by express, Please choose +15USD  shipping method when you check out the order.


Shipping instructions: Free shipping



    We accept order cancellation before the product is shipped or produced. If the order is canceled you will get the full refund. We cannot cancel the order if the product is already shipped out.For rejection, we have to refund you after deducting the shipping cost.

    Returns (if applicable)

    We accept a return on products. Customers have the right to apply for return within 7 days after the receipt. To be eligible for a return,customers must receive the product in 100% new, Re-sellable condition. Merchandise is not eligible for a refund if it has been assembled, ridden, worn, used, abused, damaged in any way. The merchandise must arrive complete, including warranty cards, manuals, accessories,promotional material, and in the original packaging.Customer must initiate return shipment of the merchandise within 7 days of the purchase date and pay for the shipping cost to EUNORAU’s warehouses located in the US/AU/EU/UK. We will finish the inspection within 5 days after receipt of the product. If the returned products are not in original condition according to Clause, We will refuse a refund.If the returned products are in original condition according to Clause, We will agree to refund the paid amount.

    Refunds (if applicable)

    Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

    Late or missing refunds (if applicable)

    If you haven’t received a refund yet, first check your bank account again.
    Then contact your credit card company, it may take some time before your refund is officially posted. Next, contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at

    Please contact our Customer service at to get the returned address.


    USA return address:

    Contact person: Amis 

    Phone:+1 7026015552

    6585 Arville St Suite B, Las Vegas, Nevada,USA

    The zip code:89118


    Australia return address:

    Contact person: Luke
    Phone: +61-03 8510 3901

    Keys Road, Moorabbin,VIC,Australia
    The zip code:3189



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