Polar Extra Chest Strap Medium - Adjustable 34 to 50 Inches - Transmitter Not Included

It is an exact replacement of the OEM straps, and cheaper than buying the whole sensor assembly. The straps eventually stretch out of shape, but for now everything is working great. I would purchase again.

This is a duplicate that fits on my Polar heart rate chest strap. I looked at the Polar website and this identical strap cost $5 more than this vendor. Excellent opportunity to replace my stretched-out one. I had a Polar watch that this came with and when it quit working (way way way before fitness tracking watches came on the scene]. I thought I had thrown this away but being born in the year of the Rat (pack rat comes to mind) I recently found the strap that I have been hoarding for the last couple of decades. I had a fitness assessment at my gym and lo and behold they used one of these straps. Luckily I found my old strap in a box of unused fitness equipment. Now I can use it with the "TechnoGym" equipment at my gym!

I've tried 3 replacement batteries. All test "Good" on a battery tester. I cleaned the contacts. But the HR monitor is still not working.

The plastic piece of the strap broke and it would cost me a $100 to buy a new heart rate monitor. I was thrilled when I could purchase the strap for $7.95, and it works great.

Perfect replacement chest strap for Polar heart rate monitor. Adjustable and comfortable

Works well

my husband returned a very expensive gadget for this ans is happy he did

The seller is "Polar Products" and clicking on their name does not take you to the company site with heart rate monitors. Clicking on the seller "Polar" takes you to the company site that sells heart rate monitors. A real Polar chest strap is about $30. This may work for you.