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


  15.5" 15.5" 17.5" 17.5" 18.5" 18.5" 19.5" 19.5" 21.5" 21.5"
Actual Frame Size 15.5" 15.5" 16.5" 16.5" 17.5" 17.5" 18.5" 18.5" 20.5" 20.5"
Geometry Position Low High Low High Low High Low High Low High
ASeat tube 39.4cm 39.4cm 41.9cm 41.9cm 44.5cm 44.5cm 47.0cm 47.0cm 52.1cm 52.1cm
BSeat tube angle 66.5 ° 67.2 ° 66.5 ° 67.1 ° 66.5 ° 67.1 ° 66.5 ° 67.1 ° 66.5 ° 67.1 °
CHead tube length 10.0cm 10.0cm 10.0cm 10.0cm 10.0cm 10.0cm 11.0cm 11.0cm 12.0cm 12.0cm
DHead angle 65.0 ° 65.7 ° 65.0 ° 65.6 ° 65.0 ° 65.6 ° 65.0 ° 65.6 ° 65.0 ° 65.6 °
EEffective top tube 55.7cm 55.5cm 58.7cm 58.5cm 60.0cm 59.8cm 61.4cm 61.1cm 64.2cm 64.5cm
FBottom bracket height 35.0cm 35.8cm 35.0cm 35.8cm 35.0cm 35.8cm 35.0cm 35.9cm 35.0cm 35.9cm
GBottom bracket drop 0.6cm -0.2cm 0.6cm -0.2cm 0.6cm -0.2cm 0.6cm -0.3cm 0.6cm -0.3cm
HChainstay length 43.5cm 43.3cm 43.5cm 43.3cm 43.5cm 43.3cm 43.5cm 43.3cm 43.5cm 43.3cm
IOffset 4.4cm 4.4cm 4.4cm 4.4cm 4.4cm 4.4cm 4.4cm 4.4cm 4.4cm 4.4cm
JTrail 11.7cm 11.7cm 11.7cm 11.7cm 11.7cm 11.7cm 11.7cm 11.7cm 11.7cm 11.7cm
KWheelbase 114.9cm 114.7cm 117.9cm 117.7cm 119.2cm 119.0cm 120.5cm 120.4cm 123.4cm 123.2cm
LStandover 79.5cm 80.2cm 77.7cm 78.4cm 76.2cm 76.9cm 75.6cm 76.4cm 74.5cm 75.3cm
MFrame reach 39.7cm 40.4cm 42.7cm 43.4cm 44.0cm 44.7cm 45.0cm 45.6cm 47.4cm 48.0cm
NFrame stack 58.1cm 57.6cm 58.1cm 57.6cm 58.1cm 57.6cm 59.0cm 58.5cm 59.9cm 59.4cm
  15.5" 15.5" 17.5" 17.5" 18.5" 18.5" 19.5" 19.5" 21.5" 21.5"
Actual Frame Size 15.5" 15.5" 16.5" 16.5" 17.5" 17.5" 18.5" 18.5" 20.5" 20.5"
Geometry Position Low High Low High Low High Low High Low High
ASeat tube 15.51" 15.51" 16.50" 16.50" 17.52" 17.52" 18.50" 18.50" 20.51" 20.51"
BSeat tube angle 66.5 ° 67.2 ° 66.5 ° 67.1 ° 66.5 ° 67.1 ° 66.5 ° 67.1 ° 66.5 ° 67.1 °
CHead tube length 3.94" 3.94" 3.94" 3.94" 3.94" 3.94" 4.33" 4.33" 4.72" 4.72"
DHead angle 65.0 ° 65.7 ° 65.0 ° 65.6 ° 65.0 ° 65.6 ° 65.0 ° 65.6 ° 65.0 ° 65.6 °
EEffective top tube 21.93" 21.85" 23.11" 23.03" 23.62" 23.54" 24.17" 24.06" 25.28" 25.39"
FBottom bracket height 13.78" 14.09" 13.78" 14.09" 13.78" 14.09" 13.78" 14.13" 13.78" 14.13"
GBottom bracket drop 0.24" -0.08" 0.24" -0.08" 0.24" -0.08" 0.24" -0.12" 0.24" -0.12"
HChainstay length 17.13" 17.05" 17.13" 17.05" 17.13" 17.05" 17.13" 17.05" 17.13" 17.05"
IOffset 1.73" 1.73" 1.73" 1.73" 1.73" 1.73" 1.73" 1.73" 1.73" 1.73"
JTrail 4.61" 4.61" 4.61" 4.61" 4.61" 4.61" 4.61" 4.61" 4.61" 4.61"
KWheelbase 45.24" 45.16" 46.42" 46.34" 46.93" 46.85" 47.44" 47.40" 48.58" 48.50"
LStandover 31.30" 31.57" 30.59" 30.87" 30.00" 30.28" 29.76" 30.08" 29.33" 29.65"
MFrame reach 15.63" 15.91" 16.81" 17.09" 17.32" 17.60" 17.72" 17.95" 18.66" 18.90"
NFrame stack 22.87" 22.68" 22.87" 22.68" 22.87" 22.68" 23.23" 23.03" 23.58" 23.39"