I have a Sigma BC1909 with HRM. Works ok for me. I'm 66 and haven't died yet.
If you want to go cheap there are lots of them out there and they all seem to work ok.
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The Lord is merciful and gracious, slow to anger and abounding in steadfast love. - Psalm 103:8
I am a cyclist. I am not the fastest or the fittest. But I will get to where I'm going with a smile on my face.