Topeak panobike hrm chest straptopeaks panobike hrm chest strap is so quick and easy to use that its simply a case of plug and play a snap button interface secures your panobike heart rate monitor to this chest strap so the conductive sensors and transmitter can work effortlessly you dont have to worry about excessive chaffing or chaffing at all for that matter as this panobike hrm chest strap has been designed for comfort featurescompatible with panobike heart rate monitorlightweightc