Polar T31 Coded Heart Rate Transmitter and Belt Set
Polar T31 Replacement Elastic Strap (Medium)
Polar Ft1 Heart Rate Monitor, Black
Polar T31 Non-Coded Transmitter and Belt Set
Heart Rate Monitor USA Replacement Soft Strap (Works with Polar & Garmin Transmitters) (XS/SM)
Polar Pro Chest Strap Set (Black, XS-S)
Polar Elastic Transmitter Strap Medium (34-55 Inch Chest) for T31 or T61 Transmitter