How to Choose the Best Bike

By | June 14, 2011

The worst thing you can do, regarding your safety and comfort, is to buy a bike that is too big or too small.  Nothing can deter you from continuing a riding routine more than a bike that is unfit for your size.

A small bike will make you feel slim and hold back a good leg workout.  If the bike is too large, it will throw you off balance and cause injury when you get down.

Pick a bike size that feels comfortable to you.  Here are a few things to note:

  • A bike’s size is generally measured by its frame, specifically the bike’s seat pole tube.  The seat tube is measured from its collar to the chain ring hub.
  • Mountain bikes and hybrids are measured in inches.
  • Road bikes are measured in centimeters.
  • Other times bikes are categorized as small, medium, large, and extra large.

To get your correct bike size you must take a measurement of your leg.  Measure the inside of your leg from the crotch to the floor while you are barefoot.

See the chart below for your corresponding frame size.

Inside leg measurement Road bike frame size Mtn. bike/hybrid frame size Category: S, M, L, XL
29 ½ – 30 ¾ inche   (75-78 cm) 48 – 51 cm 14 – 16 in S
31 – 32¼ inches    (79-82 cm) 50 – 54 cm 16 – 17 in M
32½ – 34 inches  (83-86 cm) 53 – 57 cm 17 – 18 in L
34¼ – 35½ inches   (87-90 cm) 56 – 60 cm 19 – 21 in XL



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1 Comment

Rosalinda on June 25, 2011 at 5:12 am.

You have shed a ray of sunshine into the forum. Thanks!


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