Actual Frame Size 47cm 50cm 52cm 54cm 56cm
ASeat tube 41.6 43.7 46.5 49.0 52.1
BSeat tube angle 74.6 ° 74.6 ° 74.2 ° 73.7 ° 73.3 °
CHead tube length 11.5 13.8 15.0 16.8 18.5
DHead angle 71.1 ° 71.3 ° 72.2 ° 72.3 ° 72.4 °
EEffective top tube 50.9 51.8 53.0 54.2 55.5
GBottom bracket drop 7.2 7.2 7.2 7.0 7.0
HChainstay length 41.0 41.0 41.0 41.0 41.0
IOffset 5.0 5.0 4.5 4.5 4.5
JTrail 6.3 6.2 6.1 6.1 6.0
KWheelbase 97.6 98.4 97.9 98.7 99.4
LStandover 69.5 71.3 73.3 75.4 77.8
MFrame reach 36.4 36.8 37.1 37.4 37.7
NFrame stack 52.5 54.5 56.1 57.6 59.3
Actual Frame Size 47cm 50cm 52cm 54cm 56cm
ASeat tube 16.38 17.20 18.31 19.29 20.51
BSeat tube angle 74.6 ° 74.6 ° 74.2 ° 73.7 ° 73.3 °
CHead tube length 4.53 5.43 5.91 6.61 7.28
DHead angle 71.1 ° 71.3 ° 72.2 ° 72.3 ° 72.4 °
EEffective top tube 20.04 20.39 20.87 21.34 21.85
GBottom bracket drop 2.83 2.83 2.83 2.76 2.76
HChainstay length 16.14 16.14 16.14 16.14 16.14
IOffset 1.97 1.97 1.77 1.77 1.77
JTrail 2.48 2.44 2.40 2.40 2.36
KWheelbase 38.43 38.74 38.54 38.86 39.13
LStandover 27.36 28.07 28.86 29.68 30.63
MFrame reach 14.33 14.49 14.61 14.72 14.84
NFrame stack 20.67 21.46 22.09 22.68 23.35

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