Actual Frame Size 19" 17.5" 15.5" 23" 21"
ASeat tube 48.3 44.5 39.4 58.4 53.3
BSeat tube angle 72.0 ° 72.5 ° 73.0 ° 72.0 ° 72.0 °
CHead tube length 10.3 10.3 10.3 11.8 11.8
DHead angle 69.6 ° 69.3 ° 69.3 ° 69.6 ° 69.6 °
EEffective top tube 62.2 60.2 57.0 66.3 64.3
FBottom bracket height 31.2 31.2 31.2 31.2 31.2
GBottom bracket drop 5.3 5.3 5.3 5.3 5.3
HChainstay length 44.5 44.5 44.5 44.5 44.5
IOffset 5.1 5.1 5.1 5.1 5.1
JTrail 8.1 8.3 8.3 8.1 8.1
KWheelbase 112.7 111.6 109.0 116.9 114.8
LStandover 79.5 77.5 75.4 85.9 82.8
MFrame reach 42.6 41.2 38.6 46.2 44.2
NFrame stack 60.3 60.2 60.2 61.7 61.7
Actual Frame Size 19" 17.5" 15.5" 23" 21"
ASeat tube 19.02 17.52 15.51 22.99 20.98
BSeat tube angle 72.0 ° 72.5 ° 73.0 ° 72.0 ° 72.0 °
CHead tube length 4.06 4.06 4.06 4.65 4.65
DHead angle 69.6 ° 69.3 ° 69.3 ° 69.6 ° 69.6 °
EEffective top tube 24.49 23.70 22.44 26.10 25.31
FBottom bracket height 12.28 12.28 12.28 12.28 12.28
GBottom bracket drop 2.09 2.09 2.09 2.09 2.09
HChainstay length 17.52 17.52 17.52 17.52 17.52
IOffset 2.01 2.01 2.01 2.01 2.01
JTrail 3.19 3.27 3.27 3.19 3.19
KWheelbase 44.37 43.94 42.91 46.02 45.20
LStandover 31.30 30.51 29.68 33.82 32.60
MFrame reach 16.77 16.22 15.20 18.19 17.40
NFrame stack 23.74 23.70 23.70 24.29 24.29

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorised Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs