Actual Frame Size 13.5" 15.5" 16" 17.5"
ASeat tube 34.3 39.4 40.6 44.5
BSeat tube angle 73.0 ° 73.0 ° 73.0 ° 73.0 °
CHead tube length 10.0 10.0 10.0 10.0
DHead angle 69.0 ° 69.3 ° 69.0 ° 69.0 °
EEffective top tube 52.5 56.0 59.0 61.2
FBottom bracket height 30.6 30.6 31.2 31.2
GBottom bracket drop 4.8 4.8
HChainstay length 43.8 43.8 44.5 44.5
IOffset 4.4 4.4 5.1 5.1
JTrail 8.9 8.7 8.5 8.5
KWheelbase 103.3 106.6 111.3 113.5
LStandover 66.0 68.0 66.9 68.5
MFrame reach 35.2 38.1 40.7 42.9
NFrame stack 56.5 58.5 59.8 59.8
Actual Frame Size 13.5" 15.5" 16" 17.5"
ASeat tube 13.50 15.51 15.98 17.52
BSeat tube angle 73.0 ° 73.0 ° 73.0 ° 73.0 °
CHead tube length 3.94 3.94 3.94 3.94
DHead angle 69.0 ° 69.3 ° 69.0 ° 69.0 °
EEffective top tube 20.67 22.05 23.23 24.09
FBottom bracket height 12.05 12.05 12.28 12.28
GBottom bracket drop 1.89 1.89
HChainstay length 17.24 17.24 17.52 17.52
IOffset 1.73 1.73 2.01 2.01
JTrail 3.50 3.43 3.35 3.35
KWheelbase 40.67 41.97 43.82 44.68
LStandover 25.98 26.77 26.34 26.97
MFrame reach 13.86 15.00 16.02 16.89
NFrame stack 22.24 23.03 23.54 23.54

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