Note. There are two different style elastic straps for the moulded Polar transmitters. The current style transmitter (has the curved shape) uses the elastic strap that has the size clearly marked (woven on the white background as pictured below) ie.
S M L
Medium is the size that is supplied as standard with the heart rate monitor.
Available in
Small,
Medium and
Large.
Older Style PE40T elastic strap pictured
Suits the rectangular style transmitter
Has no markings on the elastic strap
Please note:
These old style elastic straps are no longer manufactured
and available from Polar.