Speedbox 1.6 Tuning Kit for Bosch Smart System (Gen5) + Rim Magnet
Speedbox 1.6 Tuning Kit for Bosch Smart System (Gen5) + Rim Magnet
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New for 2025. This Speedbox works with eBikes fitted with a Bosch Smart System (Gen5) motor + Rim Magnet Sensor. Once fitted, it removes the 15mph or 20mph factory speed limit, allowing you to enjoy faster, unrestricted rides. It can be switched on or off at anytime using the handlebar controls. It's also compatible with the latest 16.19 software update
Does your bike have a digital display? If not, we recommend the SpeedBox 1.6 B.Tuning. Bluetooth enabled - this version offers the easiest way to use your tuning kit via Speedbox app (available for iPhone or Android)
Installation Info (Read Before You Buy)
This tuning kit is a moderate to advanced installation, click here to see how it's fitted. It comes with three key components:
• Tuning module
• Replacement speed sensor
• Electromagnet unit
For some bikes, the motor may need to be removed 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.
Product Benefits
Product Benefits
Why choose this product:
- Plug & ride tuning once fitted
- Simple activation using walk button (must be done before ride)
- Completely derestricts the factory speed limit on your eBike when active
- Please note, if your ebike has a display, speed readings will not be accurate with the Speedbox active
- Lifetime warranty with all Speedbox tuning kits
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
Compatibility
Compatibility
- Works with any ebike fitted with a Gen5 Bosch CX motor + Rim Magnet
- Smart system models are equipped with either an LED remote or System Controller. Some models also have either a Kiox 300 or Intuvia 100 display
- This tuning kit is not compatible with models equipped with ABS system
Warranty
Warranty
In the unlikely event your product develops a fault or defect. We will replace it under warranty. All Speedbox products come with a lifetime warranty.
To claim under warranty, simply contact us here








The Product Was Well Packaged & Promptly Delivered,
Back Up Was Excellent, And No Quibble Refund When I Returned An Item I Wrongly Otdered.
5 Stars For Ebike Tuner