HRM Accessory Strap - Size: M-XL

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This machine-washable strap comes in two sizes and is compatible with the HRM-Dual, HRM 200 and HRM 600. Please choose the appropriate size based on chest circumference. Part Numbe r: 010-13384-B1 XS—S: Fits chest size 60-85 cm (23.5–33.5”) M—XL: Fits chest size 80-120 cm (31.5-47.0”) Show more