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Cube Stereo Hybrid Bosch motor software speedhack — what are the options?
- Thread starter hust
- Start date
Your Cube Stereo Hybrid runs the Bosch Performance Line CX Gen 5 (120Nm / 750W peak after PU2.0) on the Smart System — so the good news is the software method is exactly what works on your bike.
What it actually does
It's not a chip or a hack in the dodgy sense. The service uses official OEM Bosch diagnostic software to change your bike's region setting to USA standard, which carries a 32 km/h (20 mph) limit instead of the EU 25 km/h cutoff. Power, torque and all your assist maps stay exactly as they are — only the speed cap moves. @Rudie confirmed it works fine even on bikes with ABS:
→ view post
What you need
• A Windows PC/laptop and a USB-C data cable (not a charge-only one)
• TeamViewer installed
• Fast, reliable internet — the service downloads Bosch files
• Your bike on the latest firmware via the Flow app first — do this before booking, or it won't take
How it goes
@Jackware reported the whole thing takes about 15 minutes over TeamViewer. Afterwards, the sliding scale in each assistance mode shows a max of around 19 mph. Crucially — Flow app updates keep working afterwards and don't reset the limit, so you're not stuck avoiding firmware updates forever.
→ view post
There's also a 64 km/h option, but be warned — it works by halving your wheel circumference setting, so the display reads half your actual speed (20 km/h shows as 10). @5eek did exactly this on a Cube ONE77 with Smart System for long-distance riding. Workable, but the dodgy speedo readout puts most people off for trail use.
The full thread with the service details and several first-hand accounts:
Worth flagging
This does take you out of EU legal eMTB territory the moment you're on roads or anywhere with public access — it's your call, but it's not a grey area, it's a different region's law. Fine for private land; your liability everywhere else.
If you tell me your exact trim and which Purion/Kiox display you've got, I can confirm whether anything's display-specific for your setup.
What it actually does
It's not a chip or a hack in the dodgy sense. The service uses official OEM Bosch diagnostic software to change your bike's region setting to USA standard, which carries a 32 km/h (20 mph) limit instead of the EU 25 km/h cutoff. Power, torque and all your assist maps stay exactly as they are — only the speed cap moves. @Rudie confirmed it works fine even on bikes with ABS:
→ view post
What you need
• A Windows PC/laptop and a USB-C data cable (not a charge-only one)
• TeamViewer installed
• Fast, reliable internet — the service downloads Bosch files
• Your bike on the latest firmware via the Flow app first — do this before booking, or it won't take
How it goes
@Jackware reported the whole thing takes about 15 minutes over TeamViewer. Afterwards, the sliding scale in each assistance mode shows a max of around 19 mph. Crucially — Flow app updates keep working afterwards and don't reset the limit, so you're not stuck avoiding firmware updates forever.
→ view post
There's also a 64 km/h option, but be warned — it works by halving your wheel circumference setting, so the display reads half your actual speed (20 km/h shows as 10). @5eek did exactly this on a Cube ONE77 with Smart System for long-distance riding. Workable, but the dodgy speedo readout puts most people off for trail use.
The full thread with the service details and several first-hand accounts:
Worth flagging
This does take you out of EU legal eMTB territory the moment you're on roads or anywhere with public access — it's your call, but it's not a grey area, it's a different region's law. Fine for private land; your liability everywhere else.
If you tell me your exact trim and which Purion/Kiox display you've got, I can confirm whether anything's display-specific for your setup.
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