Size Guide

Find the perfect fit with Swinnerton Cycles’ comprehensive size guide. Get detailed measurements and tips for bikes, helmets, and cycling gear to ensure comfort and performance on every ride. Make confident choices and enjoy your cycling experience to the fullest.

The table below should give you a sense of what size your bike should be. Bear in mind that these are only indications and that everybody has small differences across their body’s make-up. If you would like to know more about sizing, you can also contact us for further guidance.

 

To get a good start on measuring for your bike you should take an inside leg measurement and also know how tall you are.

Men’s Bike Sizing
Inside Leg Measurement (cm) Height (cm) Mountain Bike Size (inches) Road Bike Size (cm)
66 147-152 13” (x-small) 47-48 (xx-small)
69 152-160 13-14” (x-small) 49-50 (x-small)
71 160-170 15-16” (small) 50-53 (small)
76 170-175 17-18” (medium) 54-55 (medium)
79 175-180 18-19” (medium/large) 56-58 (large)
81 180-188 19-20” (large) 58-60 (x-large)
86 188-196 20-22” (x-large) 60-62 (x-large/xx-large)
91 196+ 23-24” (xx-large) 62-63 (xx-large)

Women’s Bike Sizing
Inside Leg Measurement (cm) Height (cm) Mountain Bike Size (inches) Road Bike Size (cm)
66 147cm-155cm 13-14” (x-small) 44-46 (xx-small)
69 155-160 13-14” (x-small) 47-49 (x-small)
71 160-165 15-16” (small) 50-52 (small)
76 165-172 17-18” (medium) 53-55 (medium)
79 172+ 19” (large) 56-57 (large)

Kid’s Bike Sizing
Age Height (cm) Wheel Size (inches)
2-4 90-105 12”
4-7 105-118 14-16”
7-10 118-135 18-20”
10-13 135-150 24”
13+ 150+ 26-27.4”