I think the speed sensor is just out of range when i mount the computer on the stem as it will not display speed.
I'm using one of the Lefty speed sensor mount things
If I hold the computer just below the handlebar it it reads speed, this is not too handy though.
Any one have better luck?
Mtbr's 2016 Winter Biking GearReviews and Roundups
Results 1 to 2 of 2
Thread: Polar CS100 and C-Dale Lefty?