SpeedFun Furious Ultra for Specialized 3.1 motor (Turbo Levo gen4)
SpeedFun Furious Ultra is an e-bike tuning kit that allows you to remove the 25 km/h speed limit, enabling you to fully exploit the potential of the Specialized 3.1 motor.
This speed unlocking device is specifically designed for Specialized Turbo Levo Gen 4 e-bikes fitted with a Specialized 3.1 motor and a MasterMind T3 display.
All SpeedFun Furious Ultra speed unlock devices can be switched on and off as required.
What is the SpeedFun Furious Ultra e-bike tuning kit for Specialized 3.1 motors (Turbo Levo Gen 4)?
The Furious Ultra tuning device for Specialized 3.1 motors (Turbo Levo Gen 4) is designed to electronically manipulate the rear wheel’s rotational speed and to signal to the motor a speed that is always below 25 km/h, thereby achieving a very high actual speed whilst the motor is active. The maximum speed limit will therefore be determined by the motor’s power combined with the power generated by the rider’s legs (info).
When the tuning device is active, as it does not communicate with the display, it will show half the data on any display (or app) once a certain threshold is reached.
This tuning kit is compatible with Specialized Turbo Levo (Gen 4) e-bikes fitted with the Specialized 3.1 motor and MasterMind T3.
On Furious Evo Ultra devices, you can select the operating mode:
- Always active; cannot be deactivated
- Can be activated/deactivated using the foot switch when the wheel is raised
- If tuning is active before the engine is switched off, it will remain active after restarting
- If tuning is active before the engine is switched off, it will be deactivated after restarting
- Tuning can be activated/deactivated using an external button (not included in the kit)
For further information, please refer to the instructions on the page
The device is supplied as a plug-and-play unit, ready for use. It is very easy to install thanks to the compatible connectors, which mean no physical modifications to the e-bike are required.
WARNING!
This device is not compatible with Specialized Gen1, Gen2 or Gen3 e-bikes equipped with TCU01 (blue LED), TCU01 (Mastermind) or TCD.
This device is not compatible with Specialized e-bikes equipped with a motor-controlled electronic gear system.
Ebike with a Specialized 3.1 motor, on which the Furious Ultra device has been successfully installed
(this list is illustrative and not exhaustive)
– Specialized S-Works Turbo Levo 4 LTD
– Specialized S-Works Turbo Levo 4
– Specialized Turbo Levo 4 Pro
– Specialized Turbo Levo 4 Expert
– Specialized Turbo Levo 4 Comp
– Specialized Turbo Levo 4 Comp Alloy
– Specialized Turbo Levo 4 Alloy
Installation instructions and user manuals
Additional information
| Installation | Internal (totally invisible from the outside) |
|---|---|
| Dimensions | 37 x 22 x 7,5 mm |
| Connections | Equipped with original and/or compatible connectors (does not require any physical modification to the ebike wiring) |
| Assistance | Over 60 km/h |
| Compatible motor | Specialized 3.1 |
| Compatible displays | Specialized MasterMind T3 |
| Data displayed (on display or app) | Altered (halved above a certain threshold) |
| Device power | No external power supply required |
| Marca/modello ebike compatibili | Specialized Turbo Levo (gen4) |
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