Originally Posted by sirshane13

Hey, just installed and used one today.

Short report: easy to install, some nice features that distinguish it from the Cateye double wireless. Third button placement is nice. Supremely easy to navigate through menus, and pretty intuitive, with soft menus that correspond to the buttons. Large, easy to read display focuses on speed, with heart rate in the bottom left corner and cadence in a smaller space closer to the right corner.

Installation choice of O-rings (temporary) and zip ties (more permanent and secure). I chose to install the computer itself via o-ring on the stem and the cadence and speed sensors (which are separate wireless units) with ties. The magnets are very low profile, and the wheel magnet WILL fit bladed spokes (a nice little incentive). Polar went with a flat, thinner magnet for the cadence, and it just sticks onto the inside of the crankarm, much like the Cateye. This one's thin enough to fit in all but the very tightest of spaces, and the cadence sensor has the nice option of being mounted on the seat tube OR the down tube, depending on various tube shapes. The Cateye definitely mounts to the chainstay, and I had to rig BOTH magnets in unique in order to have the setup work properly.

Cateye's rear speed sensor, however, is a nice touch that isn't followed by Polar, who chose to go with a front fork mounted speed sensor (you're going 0 km/h on your trainer, anyway).

Of course there's the third wireless feature - the Polar HRM which follows suit with the legendary Polar name.