Cateye (from my own journey) is the main bang-for-the-dollar, and the main sturdy ove rthe long haul. determine to envision out different fashions - what you eventually finally end up with might rely on what you like it to do. instantaneous fashions are large - as long as you never placed your bike on a coach for prepare throughout the iciness months. (that's because of the fact the pickup is on the front wheel, and maximum running shoes basically enable the rear wheel rotate.) further, maximum do no longer comprise cadence (measuring how briskly your ft are shifting), lower back because of the fact of pickup area. Persoanlly, i take advantage of a under pressure out form (Cateye Astrale 8) on my street bike - just to %. up from the rear wheel .. I do use the instructor extremely regularly and because i want cadence. on the different hand, I actually have a instantaneous one (Cateye Micro instantaneous) on my mountain bike ... much less stuff to get caught in timber, etc ... and that i myself do no longer want cadence obtainable, on the grounds that i'm no longer racing.