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I have the Bosch CX line performance smart system with the Volspeed chip. I do pretty much what I think you're doing ie in and out of the city every day (about 30 mins). I have to say it's been great - no problems whatsoever (touch wood!). With a previous chip from another manufacturer I had 4...

I installed the Speedbox on my 2023 Bosch smart system (on a Cube). I got four errors and four limp home modes (lots of slow cycling). So I then replaced it with the Volspeed - it's been terrific. No complaints thus far - very happy with it. Highly recommended. I also deleted the Flow App ..

Fully agree. Speedbox 1.0 doesn’t work. I have been advised by ebiketuner to use Volspeed instead. Are there any bad experiences with that chip?

Hang in there! They are pesky but they go away and we will overcome it somehow …

Well ebiketuner just recommended I send back the Speedbox 1.0 and swap it for a Volspeed. Apparently far fewer issues with that system.

Hi All. Thought I’d share my experiences here. I have a Cube Reaction EXC. I did the low-tech speed fix and put the magnet on the pedal arm. This worked fine for a while until I hit a large pothole and I think the sensor moved. I got an 524001 error (same as the old 504). I put it all back to...

Hi All. Thought I’d share my experiences here. I have a Cube Reaction EXC 2022. I did the low-tech speed fix and put the magnet on the pedal arm. This worked fine for a while until I hit a large pothole and I think the sensor moved. I got an 524001 error (same as the old 504). I put it all back...

Hi All. Thought I’d share my experiences here. I have a Cube Reaction EXC. I did the low-tech speed fix and put the magnet on the pedal arm. This worked fine for a while until I hit a large pothole and I think the sensor moved. I got an 524001 error (same as the old 504). I put it all back to...