Speedfun Ultra eBike Tuning Kit for Specialized Turbo Levo Gen4 (Preorder ships 1st October)
Speedfun Ultra eBike Tuning Kit for Specialized Turbo Levo Gen4 (Preorder ships 1st October)
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This SpeedFun Ultra is a tuning kit for Specialized Turbo Levo (Gen4) eBikes. These bikes are powered by a Brose 3.1 motor & have a Mastermind T3 Display.
Once fitted, it will remove the factory 15mph or 20mph speed limit. Giving you a permanent derestriction up to 60kmh.
Please note, speed readings above the factory limit will not be accurate. Readings will look like this:
0 to 20 km/h approx. ==> real speed
21 to 45 km/h approx. ==> half speed
46 to 72 km/h approx. ==> speed divided by three
If you want to record your rides accurately, we recommend using your phone or smart watch with Strava.
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.
⚠️ For off-road use only. Not legal on public roads. Read full legal disclaimer.
Product Benefits
Product Benefits
Why choose this product:
- As soon as the kit is fitted - enjoy a derestricted eBikes with assistance up to 60kmh
- Plug & ride installation - no complicated fitting, just connect to the speed sensor (on the motor)
- Easy to use - permanently active while connected to the bike. Remove the kit and the bike is restored to it's factory setting
- Tested on latest software updates
- 1-year warranty included
Compatibility
Compatibility
- This tuning kit is works with bikes fitted with Specialized 3.1 motor & T3 Mastermind Display (Turbo Levo gen4)
- If you're unsure if your bike is compatible, contact support today
Shipping & Returns
Shipping & Returns
We ship fast and free to the UK with Royal Mail. Shipping rates for the USA, Australia & Canada are shown clearly at checkout – no hidden fees
🇺🇸 We cover all US import paperwork for you and ensure no surprise bills on delivery. Just one flat fee of $39 USD
🇦🇺We cover all AU import paperwork for you and ensure no surprise bills on delivery. Just one flat fee of $39 AUD
🇨🇦 Orders to Canada may incur customs charges on delivery
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
Product Warranty
Product Warranty
In the unlikely event your product develops a fault or defect. We will replace it under warranty. All Speedfun products come with a 1-year warranty.
To claim under warranty, simply contact us here
Software Updates
Software 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.
