This computer will give you the essential information needed to monitor your progress on bike. The construction is solid and resistant to rain. A major advantage of this product is its ability to be coupled to multiple sensors. In my case a heart rate monitor and cadence sensor. Autonomy is also exemplary and my only complaint is at the GPS is sometimes slow to start. As for the belt it works perfectly, however this port remains a chore hence my choice of using an optical bracelte. The cadence sensor is against it by, in my opinion, the real weak link in the packet, the adjustment are difficult to maintain so they ask frequent revisions. This presents serious problems of strength, a little rain and hop it must be replaced. It also concerns the level of USB connections that are sometimes just not responsives ...