DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring (Surron Ultra Bee)

DirtyBike 420 Gold Series Primary Belt to Chain Conversion Kit Sealed X-Ring (Surron Ultra Bee)


Regular price$99.00
Shipping calculated at checkout.

  • In stock, ready to ship
  • Inventory on the way

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original undamaged packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at info@zealracing.com. Please note that returns will need to be sent to the following address: 610 West avenue O, Unit 101 Palmdale CA, 93551

If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at info@zealracing.com.

Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like custom products or power upgrades (such as Talaria E-Moto Bikes, Custom graphic kits, EBMX Batteries, Any electronic components O.E.M or aftermarket, EBMX controllers, EBMX motors or personalized items). We do not accept returns for hazardous materials (Batteries of any kind). Please get in touch if you have questions or concerns about your specific item. 

Any return requests on electronic components including all Power upgrade parts are subject to approval and will have a 10% restocking fee applied if approved.

Unfortunately, we cannot accept returns on sale items or gift cards.

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

We can process an exchange order but your new exchange item will not ship until the original item purchased has been returned. 

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded (minus your original shipping cost and 10% restocking fee if applied to the specific return items) on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too. 
If more than 15 business days have passed since we’ve approved your return, please contact us at info@zealracing.com.

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Torture-tested and proven on Ultra Bee competing in the 2023 RedBull TKO, our Surron finished ahead of all other Surrons!

Dirt, sand, and mud conditions can cause primary belt slippage, leading to belt failure. Avoid this potential breakdown with DirtyBike's Primary Chain Drive System. Including an X-ring chain, this system is essential for serious off-roaders and retains the original gear ratio.

420 Sealed X-ring chain with master link can be replaced easily without removing the swing arm.

Be sure to include the DirtyBike Ultra Bee Swingarm Alignment Tool! Makes the job of aligning the mid shaft shaft and swing arm much easier. 

Note: If you are planning to use this kit with the EMBX XUB-80 motor the front sprocket will require modification. Please contact us for more information. 

 Swingarm alignment tool

Buyers and Maintenance Guide

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