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Old 01-14-20, 08:18 AM
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Location: Brooklyn NY
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GPS speed isn't as real-time as sensor speed. It'll work, but just doesn't respond as fast nor is it as accurate. It tends to jump around a bit. I have a sensor on my road bike but use the bolt without a sensor on my commuter so I have a good feel for how it responds. When you have the sensor set up so it automatically calibrates it is very accurate too. It just measures rotations vs. some fixed GPS distance and sets it. I don't know if it monitors it during a ride. With the sensor calibrated against GPS your total miles comes out the same either way.

But to your other point, I don't bother with the Bolt when I'm using my Kickr Core trainer. I also get confused about how the Bolt is supposed to work with the Kickr and in the end the software on my iMac is controlling everything anyway.

Last edited by zacster; 01-14-20 at 08:42 AM.
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