The size of your bike is almost always based on your height.

Use this table to determine your frame size.

Rider Height Suggested Road Bike Size
Feet & Inches Centimetres Frame Size (cm) Frame Size
4’10” – 5’0″ 148cm – 152cm 47cm – 48cm XX-Small
5’0″ – 5’3″ 152cm – 160cm 49cm – 50cm X-Small
5’3″ – 5’6″ 160cm – 168cm 51cm – 53cm Small
5’6″ – 5’9″ 168cm – 175cm 54cm – 55cm Medium
5’9″ – 6’0″ 175cm – 183cm 56cm – 58cm Large
6’0″ – 6’3″ 183cm – 191cm 58cm – 60cm X-Large
6’3″ – 6’6″ 191cm – 198cm 61cm – 63cm XX-Large

Every bike has a different ‘Standover Height’, based on the geometry of the frame. We need an Inseam measurement to make sure that the frame will be comfortable for you to use.

For pro riders, your Inseam measurement also helps us to determine the correct crank length.

Measure your Inseam using a book, like this:

OK, that’s it, you’re done. Email your sizing to us


Here’s the chart we use to make our choices on frame size: