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Hello everyone. I installed the American firmware version using ebike-doctor. The speed increased to 30 km/h. Could you please tell me what this new 33 km/h speed option is and how to install it on my bike?

Hi everyone! I want to change my front chainring, but I couldn’t find exact information about which one is installed on our bikes — specifically, what chainring offset it has. I’ve seen options like 52 mm, 53 mm, and 55 mm. Has anyone found this information? I’m only interested in official data...

I had a good offer, so I chose the XT option. You might run into some issues during installation — you can read above, I described my installation process there. There’s especially a nuance with the connection cable and unlocking the port. But I’ve already explained everything above, you can...

I have a bike with a fifth-generation Bosch motor and a Shimano Di2 XT drivetrain. Everything has been working perfectly for four months.

As far as I understand, this is related to the wheel size settings in the app. There you can adjust the wheel circumference. My wife’s bike has 27.5-inch wheels. It has a Bosch motor — when I ride at 30 km/h, her display shows 32 km/h. I think that by changing the wheel circumference setting in...

I’m not a fan of updates. 100 Nm is useless for me — it’s too much, and I don’t use it. eMTB+ is the meaningful update. The conversation was about the electronic shifting system Shimano Di2.

The conversation was about the Shimano Di2 electronic shifting system.

Unfortunately, you don’t know all the details. I have a Shimano XT Di2 installed. Automatic shifting is not the full functionality. The most important part is something else. I recommend reading about it or watching a video on YouTube.

That’s not true. I also bought the Kiox 400C, and when I installed it on the bike, I had to reactivate the system controller and the Shimano XT Di2 rear derailleur. I was able to do it at home in 15 minutes, without dealer equipment.

Hi everyone. My friend has a bike with a Bosch Gen 4 Smart System. The bike is set up with 29" wheels and there’s no way to install 27.5" wheels. Can you install the American firmware and set the wheel diameter to 27.5"? In theory, that would add about 2.5 km/h to the top speed — roughly 35 km/h...

My bike is no longer under warranty, so I’m not risking anything.

The ability to ride at 32 km/h. In the U.S., this is legally allowed.

Hi everyone, I want to install the American firmware on my Cube. I found someone who can do it. Has anyone done this before? Are there any issues after installing the American firmware?

As far as I understand, the cable runs split along with the display. You need to remove the display and the cable that comes from it, pull it towards yourself, take out as much of it from the frame as possible, and the X-Connect should appear.

The light is really good; I don’t recommend returning it. If you still don’t have the cable, it’s better to run it yourself. Actually, it’s not very difficult, and such a cable costs around 10–20 euros. But the light is really excellent, especially in the evening when you’re riding in the city...

It’s very strange that you don’t have it, because mine comes from the factory. And I asked ChatGPT, and it says that starting from 2025, Cube runs this cable in all their bikes. I pulled this cable a little toward myself — it looks like a T-shaped cable, and the connector itself was hidden...

No, you don’t need a long cable. I have the exact same headlight, and I installed it without an extra cable. The length of this cable is just enough for this X-Connect, but you will need to take apart the handlebar and route the cable through it. Also, on the top cover of the handlebar, there...

The port for connecting the XConnect headlight is located under the display or under the cover beneath the display. You need to unscrew one Torx bolt there.

By the way, I don’t agree that the Radon Deft is better for its money than Cube. If you look at BikeDiscount.de and compare the price of the Deft with the price of Cube, for the same money you get a Cube with better components. A big advantage of Cube is that it comes with a mullet setup, not...