Originally Posted by
HillRider
Cat Eye's Astrale is a wired cyclometer with a rear wheel pickup and cadence so it is particularly suited for trainer use.
I've been using the Astrale for several years and it's always been mounted to the rear tire. Back when I first got it I had read somewhere that cyclometers were supposed to be mounted to the rear wheel. I've learned since then that this is not as important as I once thought.