SpeedFun Furious eBike Tuning Kit for Bosch Rim Magnet Performance Line - Gen3
SpeedFun Furious eBike Tuning Kit for Bosch Rim Magnet Performance Line - Gen3
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This SpeedFun Furious is a tuning kit for eBikes powered by a Bosch Performance Line (Gen3) motor + Rim Magnet Sensor. Once fitted, it will remove the factory 15mph or 20mph speed limit. Derestricting the bike fully. Speedfun works with eBikes fitted with or without a display. It's fully tested on the latest 16.19 bosch update and comes with a 1-year warranty.
Installation Info (Read Before You Buy)
This tuning kit requires a moderate to advanced installation. Download Instructions here (PDF). It comes with three key components:
• Tuning module
• Replacement speed sensor
• Electromagnet unit
For some bikes, the motor may need to be lowered to install the electromagnet. The factory speed sensor is removed and replaced with a wired sensor, which is mounted to the chainstay.
If you’re not comfortable working on your eBike’s motor, we highly recommend having it installed by a professional bike technician.
Important:
To check what motor your bike has, see the sticker that is on or inside your frame. If it contains BDU code; 336, 334 or 332 you have a compatible bike. If your code is different, contact us for assistance.
After purchase, we’ll reach out by email to confirm compatibility with your specific setup before dispatching your order.
⚠️ For off-road use only. Not legal on public roads. Read full legal disclaimer.
Product Benefits
Product Benefits
Why choose this product:
- Once fitted, enjoy a complete derestriction
- Permanent tuning, no activation required
- Tested on latest Bosch update
- 1-year warranty included
Compatibility
Compatibility
- eBikes fitted with a Rim Magnet sensor (located on rear wheel valve)
- The eBike motor must be a Gen3 (Performance Line, Active Line Plus, Active Line)
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.
