SIGMA R1 DUO ANT+ / BLUETOOTH Smart HR transmitter w/ Comfortex+ Strap For Rox 4.0 and Rox 11.1 (20332)
$79.95
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R1 Duo Comfortex+ transmitter incl. chest strap for Rox 4.0 and Rox 11.1 EVO
SIGMA R1 DUO ANT+ / BLUETOOTH Smart HR transmitter w/ Comfortex+ Strap For Rox 4.0 and Rox 11.1 (20332)
$79.95