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" 17.5" 17.5" 18.5" 18.5" 19.5" 19.5" 21.5" 21.5"
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 50.8cm 50.8cm
BSeat tube angle 67.5 ° 68.2 ° 67.5 ° 68.2 ° 67.5 ° 68.1 ° 67.5 ° 68.1 ° 67.5 ° 68.1 °
CHead tube length 10.0cm 10.0cm 10.0cm 10.0cm 10.5cm 10.5cm 11.0cm 11.0cm 12.5cm 12.5cm
DHead angle 67.5 ° 68.2 ° 67.5 ° 68.2 ° 67.5 ° 68.1 ° 67.5 ° 68.1 ° 67.5 ° 68.1 °
EEffective top tube 54.9cm 54.6cm 58.2cm 57.9cm 60.1cm 59.8cm 61.8cm 61.5cm 64.6cm 64.3cm
FBottom bracket height 33.8cm 34.6cm 33.8cm 34.6cm 33.8cm 34.6cm 33.8cm 34.6cm 33.8cm 34.6cm
GBottom bracket drop 1.5cm .7cm 1.5cm .7cm 1.5cm .7cm 1.5cm .7cm 1.5cm .7cm
HChainstay length 43.5cm 43.3cm 43.5cm 43.3cm 43.5cm 43.3cm 43.5cm 43.3cm 43.5cm 43.3cm
IOffset 4.3cm 4.3cm 4.3cm 4.3cm 4.3cm 4.3cm 4.3cm 4.3cm 4.3cm 4.3cm
JTrail 10.0cm 9.5cm 10.0cm 9.5cm 10.0cm 9.5cm 10.0cm 9.5cm 10.0cm 9.5cm
KWheelbase 109.8cm 109.7cm 113.1cm 113.0cm 115.1cm 114.9cm 116.7cm 116.6cm 119.6cm 119.3cm
LStandover 77.2cm 77.9cm 75.8cm 76.5cm 74.4cm 75.1cm 74.2cm 74.9cm 73.9cm 74.6cm
MFrame reach 36.6cm 37.3cm 39.4cm 40.6cm 41.7cm 42.4cm 43.2cm 43.9cm 45.5cm 46.1cm
NFrame stack 59.3cm 58.9cm 69.4cm 58.9cm 69.9cm 59.4cm 60.4cm 59.9cm 61.8cm 61.3cm
  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" 17.5" 17.5" 18.5" 18.5" 19.5" 19.5" 21.5" 21.5"
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" 20.00" 20.00"
BSeat tube angle 67.5 ° 68.2 ° 67.5 ° 68.2 ° 67.5 ° 68.1 ° 67.5 ° 68.1 ° 67.5 ° 68.1 °
CHead tube length 3.94" 3.94" 3.94" 3.94" 4.13" 4.13" 4.33" 4.33" 4.92" 4.92"
DHead angle 67.5 ° 68.2 ° 67.5 ° 68.2 ° 67.5 ° 68.1 ° 67.5 ° 68.1 ° 67.5 ° 68.1 °
EEffective top tube 21.61" 21.50" 22.91" 22.80" 23.66" 23.54" 24.33" 24.21" 25.43" 25.31"
FBottom bracket height 13.31" 13.62" 13.31" 13.62" 13.31" 13.62" 13.31" 13.62" 13.31" 13.62"
GBottom bracket drop .59" .28" .59" .28" .59" .28" .59" .28" .59" .28"
HChainstay length 17.13" 17.05" 17.13" 17.05" 17.13" 17.05" 17.13" 17.05" 17.13" 17.05"
IOffset 1.69" 1.69" 1.69" 1.69" 1.69" 1.69" 1.69" 1.69" 1.69" 1.69"
JTrail 3.94" 3.74" 3.94" 3.74" 3.94" 3.74" 3.94" 3.74" 3.94" 3.74"
KWheelbase 43.23" 43.19" 44.53" 44.49" 45.31" 45.24" 45.94" 45.91" 47.09" 46.97"
LStandover 30.39" 30.67" 29.84" 30.12" 29.29" 29.57" 29.21" 29.49" 29.09" 29.37"
MFrame reach 14.41" 14.69" 15.51" 15.98" 16.42" 16.69" 17.01" 17.28" 17.91" 18.15"
NFrame stack 23.35" 23.19" 27.32" 23.19" 27.52" 23.39" 23.78" 23.58" 24.33" 24.13"