Getting the frame size right is the first step to the perfect bike fit.

Once you know your height, getting the right size is easy as.

 

Hybrid bikes (city and commuter)

Rider height (cm)

Frame size (cm)

Frame size

147 - 155

47-49

xs

155 - 165

50-52

s

165 - 175

53-54

m

175 - 183

55-57

l

183 - 191

58-61

xl

191 - 198

61-63

xxl

 

Mountain bike

Rider height (cm)

Frame size (cm)

Frame size

148-158

47-49

xs

158-168

50-52

s

168-178

53-54

m

178-185

55-57

l

185-193

58-61

xl

193-198

61-63

xxl

 

The next three most important factors in bike fit are:

 

Saddle height

This is the easiest way to gauge whether a bike fits after frame size. Check that your saddle height is correct by sitting on your bike and balancing yourself on a wall or pole. With your heel on the pedal your leg should be straight when the pedal is at the bottom of its rotation (6 o’clock).

All seat posts will have ‘minimum lines’ marked on the post – make sure you can’t see this when the saddle is at the correct height for you.

 

Saddle position

Adjusting where your saddle sits on the seatpost is an easy adjustment. Loosen the bolts that attach your saddle to your seatpost so you can slide the seat backwards and forwards. The front of your knee cap should be directly over the middle of your pedal when your pedals are parallel to the ground (3 o’clock). Using a lightly weighted string is a good way to measure this.

 

Reaching your handlebars

Sit on your seat and grab the handlebars. You should have a slight angle at your elbows, but you shouldn’t have to force yourself to bend too hard to hold them.

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