As long as you don't use the Specialized app (when unrestricted) - If you have it, you should remove it from your phone. And providing you restore maximum assistance speed to default before service or warranty claim then they have no way of knowing.
I'm 172cm tall and I got a 2019 S-works Levo size M. I prefer to size down, I even considered a size S initially because the geometry was closest to my 90's mtb. I test rode both size M and L and choose the M. After settling in on correct seat height for me, the seat post collar is now 35mm...
Any HRM that supports Bluetooth. Many on here are using the Wahoo TICKR.
1. Close any other app that may be already connected to it.
2. Remove the device from your phones Bluetooth settings.
3. Setup the connection within BLEvo -> Configuration -> Bike/cardio/remote control scan...
The chain might be directional. If the markings on the link plates are all on one side and not the other, then that side must be on outer-side of bike. eg. directional HG-X11 road chain install video
Or you might not have a HYPERGLIDE+ chain. Bike manufacturer choose not to spec the new chain...
I fitted a 180mm rotor to the rear on mine. 180mm appears to be the minimum.
It doesn't matter what size rotor you fit. The maximum braking force you can achieve in real world usage is the same; and therefore the torque transferred to frame or fork is the same.
The polar h10 has built in memory for sports like swimming, running, etc. where carrying a phone is difficult. To use this function with the polar beat app, on the start screen after it connects, click on the ellipsis that appears in top right corner, select the ‘Save HR with sensor‘ option then...
I'm skeptical. Have a close look at the image while referring to post #1, the plug shape appears to match the Speed sensor port, not the Rear light/brake light port.