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Sigma Sport Chest strap, STS / Rox
$39.99
This adjustable chest strap is compatible with Sigma's STS and Rox wireless computers.
Sigma Sport Chest strap, uncoded
$39.99
This adjustable chest strap is compatible with Sigma's line of heart rate monitors and sport computers.
Sigma Sport Chest strap, Bluetooth
$44.99
This adjustable Sigma chest strap is compatible with Bluetooth-equipped heart rate monitoring devices.
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