Quick Answer: How To Choose Frame Size On Trek Road Bike?

How do I know my trek frame size?

Trek frame size used to be measured by the length of the seat tube. But modern mountain bike geometry is based on reach, not seat tube length. Alpha sizing is simpler and helps you find the right fit by the measurement that matters most.

How do I determine the best bike frame size?

Method Two: Calculating the bike size:

  1. Take off your shoes and stand with your legs about 15-20 cm(6” – 8”) apart. Measure the height from the ground to your crotch.
  2. Be sure of the type of bicycle you want: Mountain bike, city bike or road bike.
  3. Now you can take your calculator and calculate the right size:

How do you know if your bike is too small?

One of the main factors in determining when a bike is getting too small is the saddle height and seat post length. If a bike is too small you will no longer be able to set the saddle height high enough. Every seat post should have an minimum insertion line marked onto the metal.

Is it better to get a bigger or smaller bike frame?

Check your Ape Index If your arm span is longer than your height, go for a bigger frame. If it’s shorter, get the smaller one. On a bigger bike, the reach to the handlebars will be longer. If you have proportionally longer arms, you are likely to feel more comfortable on a bigger frame.

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Is 52cm bike too small?

It depends on how the bike is measured. If the 52 is a level top tube and actual seat tube length, I would say no, the bike is too small. If the bike is a sloping top tube and the actual seat tube is 52, then maybe. If the 52 is a virtual size, and the actual seat tube is less say 48 or whatever, then no.

How do I know if my bike frame is too big?

If you struggle to make turns or need to sit up straight to reach the handlebars, the frame is likely too large. You may also notice that you cannot quickly turn or pick up speed easily due to the way that you sit in a larger frame. Pain or discomfort after riding also indicates that the frame is too big for your size.

How do I know if my frame is too small?

How to tell if it’s too small? Set the bike up to your specs (seat height, reach, saddle setback, bar to saddle height) and then stand back and take a critical look at it. If it looks wrong and out of proportion (like way too much or little seatpost, stem too long or short) then it is wrong.

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