Bike Sizing Guide

Childrens Bikes
3 - 5 years = 12inch
4 - 8  years = 16inch
7 - 9  years = 20inch
8 - 11 years = 24inch

Adult Mountain Bikes Men (MTB)
XSmall or 14 - 15inch frame = 5.0” - 5.5”  or  1.52 - 1.65cm
Small or 16 - 17inch frame = 5.4”- 5.8” or 1.62 - 1.72cm
Medium or 18 - 19inch frame = 5.8”- 6.1” or 1.69 - 1.85cm
Large or 20 - 21inch frame = 6.0” - 6.4” or 1.83 - 1.93cm
XLarge or 22 - 23inch frame = 6.5” plus or 1.89cm plus

Adult Hybrid and Mountain Bikes Ladies
XSmall or 14 - 15” frame = 5.0” - 5.5”  or  1.52 - 1.65cm
Small or 16 - 17inch frame = 5.4” - 5.9”  or  1.62 - 1.75cm
Medium or 18 - 19inch frame = 5.8” plus  or  1.72cm plus

Adult Road Men
XSmall or 43 - 45cm frame = 5.0” - 5.4”  (43)  or 1 52 - 1.65cm
Small or 46.5 - 48cm frame = 5.4”-  5.9”  (46.5)  or 1.62 - 1.75cm
Medium or 50cm frame  =  5.8” - 6.1”  (50)  or 1.72 - 1.85cm
Large or 52.5 – 55.5cm frame  =  6.0” - 6.4”  (55.5)  or 1.83 - 1.93cm
XLarge or 55 – 58.5cm frame  =  6.3”- 6.8” plus  or  1.90 - 2.03cm plus