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Heart Rate Monitors

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Not sure what sized bike is best?

Answer a few short questions and we'll make a recommendation on which size is best for you.

Find Your Size

Step 1: Measure your height

  • Take off your shoes
  • Stand with your back straight against a wall
  • Balance a book on your head to mark your height on the wall
  • Measure your height by the distance from the floor to the mark
cm

Find Your Size

Step 2: Adjust your inseam

  • Based on your height, we’ve calculated a starting point.
  • You can measure your inseam by tucking a book between your legs so there is pressure but it isn’t uncomfortable.
  • Inseam typically falls with 5cm of the average.
cm

Find Your Size

Your results

For the we suggest the following size.

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Inseam: --
Adjusted Height: --

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Track your performance and train smarter with heart rate monitors from 99 Bikes. Whether you’re riding on the road, hitting the trails, training indoors, or racing for results, heart rate monitors help you measure effort, improve fitness, and reach your goals faster. Choose from chest straps, arm bands, and smart heart rate sensors compatible with leading bike computers, GPS watches, and training apps. Featuring trusted brands and accurate, real-time data, our range of heart rate monitors is built for cyclists of all levels from beginners to elite riders.