SpeedFun Furious eBike Tuning Kit for Bosch Rim Magnet Performance Line - Gen3 (preorder ships 8th Sept)
SpeedFun Furious eBike Tuning Kit for Bosch Rim Magnet Performance Line - Gen3 (preorder ships 8th Sept)
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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 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
Shipping & Returns
Shipping & Returns
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
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)
Warranty
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
