FAQ
EBT Unlock Key – Full FAQ
1. General Information
What is the EBT Unlock Key?
The EBT Unlock Key is a browser-based software tool that unlocks Bosch motors (Gen1 to Gen4) by removing the 25 km/h speed limit.
How is it delivered?
Exclusively via email. You receive a digital license code with instructions.
What makes EBT unique?
100% digital. No chip, no hardware, no app install – works directly in your browser.
Is the tool visible on the bike?
No. The change is internal. There’s no trace of tuning visible externally.
2. Compatibility
Which Bosch motors are supported?
Classic+ (Gen1), Active/Performance Line (Gen2), Active+ and Performance Line (Gen3), CX (Gen4) – as long as they use BES1 or BES2. Check full compatibility in our comparison chart!
Are Smart System motors (BES3) supported?
No, not at this time.
How do I check my system type?
Round charging port = BES2 (compatible). Rectangular = BES3 (not compatible).
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Which displays are supported?
Intuvia, Purion, Kiox (not Kiox 300), Nyon (not Intuvia 100), no HMI.
3. Functionality & Use
What do I need?
A PC or Mac, Chrome/Safari/Edge, compatible USB data cable, and a Bosch e-bike (Gen1–4).
How does the process work?
Connect → open browser tool → enter code → unlock. Done.
How fast will the bike go?
It depends on your gearing and motor. No new limit is set – support continues above 25 km/h.
4. Licensing
Can I use the license more than once?
Each code is for one bike. Multi-license packs (2 or 4) allow separate bikes to be unlocked.
Can I unlock one bike and later re-lock?
Yes, and you can switch between locked/unlocked anytime using the same code.
5. Display Behavior
Does the display show correct speed?
Gen1: correct. Gen2–Gen4: half actual speed (technical limitation).
Is the odometer accurate?
No, after unlocking, mileage may be undercounted on Gen2–Gen4.
6. USB Connection & Cable
Which cables are needed?
Intuvia/Nyon = Mini USB, Purion/Kiox = Micro USB. Use data cables, not charging-only.
7. Browser & System
Which browsers work?
Chrome, Edge, Safari. Must support WebUSB. Firefox is not supported.
Does it work on mobile devices?
No. Use a desktop or laptop computer (Windows/macOS).
8. Locking and Reversibility
Can I re-lock the bike?
Yes, anytime. You can lock/unlock your bike repeatedly with the same code.
Is the process permanent?
The bike stays unlocked until you re-lock it.
9. Purchase Process
How do I buy?
Choose a 1, 2, or 4 license pack. After checkout, you'll receive your key by email.
What happens after purchase?
You'll get the license + full instructions. Support is included. See full unlock instructions here!
10. Multi-License / Workshop Use
Can I use multiple licenses for customers?
Yes. Buy multi-license packs for use in workshops, families, or for resale.
Is there a dealer program?
Yes – inquire via support if you're interested in bulk or affiliate options.
11. Legal Considerations
Is tuning legal?
No, use is only legal on private land. The bike loses its road approval when unlocked.
What are the risks?
Insurance void, warranty loss, and legal penalties in traffic are possible.
12. Resale & Transfer
Can I transfer a used code?
No. Once activated, a license is bound to one specific bike and non-transferable.
Can I sell an unlocked bike?
Yes, but inform the buyer that it’s tuned and not street legal in most cases.
13. Firmware Updates
Does a Bosch update re-lock the bike?
No. But a Bosch update could remove the tuning effect. Reapply with your code if needed.
Should I avoid updates?
If you want to keep the unlock status, avoid Bosch firmware updates unless necessary.
14. Warranty & Support
Is warranty affected?
Yes – tuning voids most manufacturer warranties.
Do I get support?
Yes. Full documentation and email support are included in every purchase.
