Fit & sizing /

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 authorized Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

Display measurements in

Geometry


  14" 15.5" 17" 18.5"
Actual Frame Size 14" 15.5" 17" 18.5"
Effective seat tube angle 69.5 ° 69.5 ° 69.5 ° 69.5 °
ASeat tube 35.6cm 36.8cm 40.6cm 44.5cm
BSeat tube angle 74.0 ° 74.0 ° 74.0 ° 74.0 °
CHead tube length 9.5cm 9.5cm 9.5cm 9.5cm
DHead angle 69.0 ° 69.0 ° 69.0 ° 69.0 °
EEffective top tube 54.2cm 56.3cm 58.3cm 60.5cm
FBottom bracket height 33.5cm 33.5cm 33.5cm 33.5cm
GBottom bracket drop 3.5cm 3.5cm 3.5cm 3.5cm
HChainstay length 45.2cm 45.2cm 45.2cm 45.2cm
IOffset 5.1cm 5.1cm 5.1cm 5.1cm
JTrail 8.7cm 8.7cm 8.7cm 8.7cm
KWheelbase 109.1cm 112.0cm 113.2cm 115.4cm
LStandover 71.9cm 70.8cm 69.9cm 69.6cm
MFrame reach 37.2cm 39.3cm 41.3cm 43.5cm
NFrame stack 59.3cm 59.3cm 59.3cm 59.3cm
  14" 15.5" 17" 18.5"
Actual Frame Size 14" 15.5" 17" 18.5"
Effective seat tube angle 69.5 ° 69.5 ° 69.5 ° 69.5 °
ASeat tube 14.02" 14.49" 15.98" 17.52"
BSeat tube angle 74.0 ° 74.0 ° 74.0 ° 74.0 °
CHead tube length 3.74" 3.74" 3.74" 3.74"
DHead angle 69.0 ° 69.0 ° 69.0 ° 69.0 °
EEffective top tube 21.34" 22.17" 22.95" 23.82"
FBottom bracket height 13.19" 13.19" 13.19" 13.19"
GBottom bracket drop 1.38" 1.38" 1.38" 1.38"
HChainstay length 17.80" 17.80" 17.80" 17.80"
IOffset 2.01" 2.01" 2.01" 2.01"
JTrail 3.43" 3.43" 3.43" 3.43"
KWheelbase 42.95" 44.09" 44.57" 45.43"
LStandover 28.31" 27.87" 27.52" 27.40"
MFrame reach 14.65" 15.47" 16.26" 17.13"
NFrame stack 23.35" 23.35" 23.35" 23.35"

The right fit is everything.

Your Trek retailer will help you dial in the perfect fit, to give you the absolute best comfort and performance.

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