Speedbox 1.0 B.Tuning for DJI Avinox M1 powered eBikes
Speedbox 1.0 B.Tuning for DJI Avinox M1 powered eBikes
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- UK stock, tracked worldwide delivery
- 30-day returns, Lifetime Warranty
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DIY Install
Plugs into your existing wiring, nothing permanent. Video guide included.
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Removes 15.5mph limit
Switch between standard and tuned mode at any time.
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Not sure it fits?
Check your bike in our Kit Finder → or send us your make, model and year.
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Real UK support
A real person helps by email or WhatsApp if you get stuck.
This Speedbox 1.0B is a tuning kit for eBikes powered by a DJI Avinox M1 motors. Most commonly found on the Amflow PL eBike.
Once fitted and activated it will completely remove the factory 25km/h speed limit. This Speedbox is fully compatible with all displays available for the Avinox system and works with the latest software updates.
With it's built-in bluetooth connection, you can control the chip via the Speedbox Connect app. Within the app you can set a custom max speed, turn the chip on/off and track your rides in real time. Alternatively, you can activate this Speedbox by pressing + - + - on your handlebar controller.
✅Removes 25kmh limit when active
✅Easy Activation using handlebar controller
✅Bluetooth enabled, custom tuning via Speedbox connect app
✅Over the air updates
✅Backed by a Lifetime Warranty
Installation Info (Watch Video Here)
Moderate difficulty — the motor needs to be removed from the frame to fit the kit, which connects inline using the original connectors (no cutting or splicing). Allow 1–2 hours with basic tools. Full wiring diagrams and the install video are in our help centre guide.
A note on speed readings:
When active, your eBike display will not show accurate readings above 25kmh
⚠️ For off-road use only. Not legal on public roads. Read full legal disclaimer

Frequently Asked Questions
Will this work with my eBike?
- This product is compatible with DJI Avinox M1 motors only
- Not compatible with M2 or M2S
Why choose this tuning kit
Here's why riders love this tuning kit
- Clean, OEM style finish once fitted
- Simple activation, can be switched off at any time using the handlebar controls
- Completely removes 15mph or 20mph restriction plus accurate speed & distance on the display
- All ride modes work exactly the same, including ‘walk mode’
- Lifetime warranty with all Speedbox tuning kits
What is your shipping & returns policy?
🇬🇧 UK
Free delivery to the UK with Royal Mail Tracked 48. Tracked 24 is available as a paid option.
🇺🇸 USA
Free shipping on all orders, takes 5-7 business days.
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, takes 7 business days. WA takes 14 days.
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 Royal Mail. Delivered to you by Canada post.
Canadian orders are 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
How to avoid error codes
Unfortunately no tuning kits are 100% guaranteed. You can reduce the risk of triggering an error code by following these simple steps:
If your eBike uses a smartphone app, switch off automatic updates before installing your tuning kit
Remove your tuning kit before doing any software updates
If possible, remove your battery before starting your installation
Keep your average speed below 50km/h
What's covered by the Lifetime Warranty?
All Speedbox products come with a lifetime warranty. In the unlikely event your product develops a fault or defect. We will replace it for free.
To claim under warranty, simply contact us here
A note on Firmware 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.
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