







Speedfun Furious Evo eBike Tuning Kit for Brose SRAM (preorder, due 30th April)
Speedfun Furious Evo eBike Tuning Kit for Brose SRAM (preorder, due 30th April)
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Note, this is a preorder due to shipping 30th April. If you're interested in this product, contact us here with the make & model of your bike.
This SpeedFun Furious is a tuning kit for eBikes powered by a Brose SRAM motor
Once fitted, it will remove the factory 15mph or 20mph speed limit. Giving you a derestriction up to 28mph (45kmh). The tuning kit is turned on/off by activating the lights via the SRAM AXS app.
Please note, speed readings above the factory limit will not be accurate. If you require accurate readings at all times, we recommend fitting a third party display to track your speed.
If your bike is fitted with an electronic derailleur (eagle transmission), the auto shift feature will need to be disabled when the speed unlock function is activated
It's fully tested on the latest software updates and comes with a 1-year warranty. Click here to view the instruction manual before purchasing.
Don't miss our multi-buy discount when you buy 2 or more eBike tuning kits!
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Frequently Asked Questions
What is your shipping & returns policy?
We ship fast and free to the UK, USA, Australia & Canada. All orders are fully tracked and dispatched from our UK warehouse.
✅ Tariff-free shipping to the USA & Australia.
❌ Note: Orders to Canada may incur customs charges. Free shipping doesn’t apply to EU/EEA countries.
Changed your mind? No problem. We offer 30-day returns — no hassle, no stress.
If something’s not right, we’ll sort it.
🔍 See full Shipping & Returns info here
What eBikes is this compatible with
- This tuning kit is works with bikes fitted with Brose SRAM motors only
- Commonly found on GasGas, Nukeproof & Transition eBikes
Why choose this tuning kit
Here's why riders love this tuning kit
- Once fitted, enjoy a derestriction up to 28mph (45kmh)
- Activated using the lights via SRAM AXS app
- Tested on latest software updates
- 1-year warranty included
- Works with automatic shifting but this must be set to manual mode
How to avoid error codes
Unfortunately no tuning kits are 100% guaranteed. You can reduce the risk of triggering an error code by following these simple steps:
If your eBike uses a smartphone app, switch off automatic updates before installing your tuning kit
Remove your tuning kit before doing any software updates
If possible, remove your battery before starting your installation
Keep your average speed below 50km/h
Important Legal Notice
Existing eBike Warranty:
The use of any tuning products may void the warranty of your eBike. We take no responsibility for any damages resulting from the use of any of our products.
eBike Laws:
Electric bikes equipped with tuning devices are not allowed to be used on public roads, cycling paths and public places. Electric bikes equipped with tuning products can be used exclusively on private property and entirely at one’s own risk. Under the EU's EN15194 regulation it is illegal to ride your eBike on public roads/cycle paths with a tuning device fitted.
By purchasing a device from eBike tuner ltd you agree that eBike tuner ltd cannot be held liable for any damage, injury, fine or cost to you, your eBike or anyone else involved in your particular incident.
How does the warranty work?
In the unlikely event your product develops a fault or defect. We will replace it under warranty. This product comes with a 1-year warranty.
To claim under warranty, simply contact us here and our team will assist you
Firmware Updates
Updating your eBike’s motor firmware may block or disable your tuning kit.
We recommend avoiding firmware updates—especially through service centres—unless absolutely necessary. Most updates are optional, and a working eBike doesn’t usually need one.
Keep in mind:
✔ Firmware upgrades can remove tuning compatibility
✔ Tuning is only guaranteed to work with the firmware version available at time of purchase
✔ A blocked tuning kit due to a firmware update is not covered under warranty
If you’re unsure, reach out before updating. We’re here to help you keep your ride running exactly how you like it.
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