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 via Royal Mail Tracked 48. Tracked 24 is available as a paid option.
🇺🇸 USA
Free shipping on all orders
Your parcel is exported from the UK and handed to USPS for final delivery.
All tariff charges and import paperwork is handled by us. No surprise customs bills on arrival.
🇦🇺 Australia
Free shipping on all orders.
Parcels are delivered by Australia Post once they reach your local network.
We manage all import paperwork, so you won’t receive any unexpected fees.
🇨🇦 Canada
Shipped from the UK with full tracking via FedEx
Canadian orders may be subject to import duties or customs charges on arrival.
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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.
Great correspondence with the team. Product work like a dream. Thank you once again.