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" 19" 19" 21" 21" 23" 23"
Actual Frame Size 15.5" 15.5" 17.5" 17.5" 19" 19" 21" 21" 23" 23"
Geometry Position Low High Low High Low High Low High Low High
ASeat tube 39.4cm 39.4cm 41.9cm 41.9cm 45.7cm 45.7cm 50.8cm 50.8cm 55.9cm 55.9cm
BSeat tube angle 68.0 ° 69.0 ° 68.0 ° 69.0 ° 68.0 ° 69.0 ° 68.0 ° 69.0 ° 68.0 ° 69.0 °
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 ° 68.2 ° 67.5 ° 68.2 ° 67.5 ° 68.2 °
EEffective top tube 54.6cm 54.4cm 57.6cm 57.4cm 59.7cm 59.4cm 61.8cm 61.5cm 63.9cm 63.6cm
FBottom bracket height 35.0cm 35.9cm 35.0cm 35.9cm 35.0cm 35.9cm 35.0cm 35.9cm 35.0cm 35.9cm
GBottom bracket drop 2.0cm 2.0cm 2.0cm 2.0cm 2.0cm 2.0cm 2.0cm 2.0cm 2.0cm 2.0cm
HChainstay length 44.5cm 44.3cm 44.5cm 44.3cm 44.5cm 44.3cm 44.5cm 44.3cm 44.5cm 44.3cm
IOffset 5.1cm 5.1cm 5.1cm 5.1cm 5.1cm 5.1cm 5.1cm 5.1cm 5.1cm 5.1cm
JTrail 9.8cm 9.3cm 9.8cm 9.3cm 9.8cm 9.3cm 9.8cm 9.3cm 9.8cm 9.3cm
KWheelbase 112.8cm 112.7cm 115.8cm 115.7cm 117.9cm 117.7cm 120.0cm 119.8cm 122.1cm 121.9cm
LStandover 77.9cm 76.9cm 76.5cm 75.5cm 76.8cm 75.8cm 78.1cm 77.1cm 81.8cm 80.8cm
MFrame reach 38.5cm 39.3cm 41.5cm 42.3cm 43.4cm 44.1cm 45.1cm 45.9cm 46.9cm 47.6cm
NFrame stack 60.6cm 60.6cm 60.6cm 60.6cm 61.1cm 61.1cm 62.0cm 62.0cm 62.9cm 62.9cm
  15.5" 15.5" 17.5" 17.5" 19" 19" 21" 21" 23" 23"
Actual Frame Size 15.5" 15.5" 17.5" 17.5" 19" 19" 21" 21" 23" 23"
Geometry Position Low High Low High Low High Low High Low High
ASeat tube 15.51" 15.51" 16.50" 16.50" 17.99" 17.99" 20.00" 20.00" 22.01" 22.01"
BSeat tube angle 68.0 ° 69.0 ° 68.0 ° 69.0 ° 68.0 ° 69.0 ° 68.0 ° 69.0 ° 68.0 ° 69.0 °
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 ° 68.2 ° 67.5 ° 68.2 ° 67.5 ° 68.2 °
EEffective top tube 21.50" 21.42" 22.68" 22.60" 23.50" 23.39" 24.33" 24.21" 25.16" 25.04"
FBottom bracket height 13.78" 14.13" 13.78" 14.13" 13.78" 14.13" 13.78" 14.13" 13.78" 14.13"
GBottom bracket drop .79" .79" .79" .79" .79" .79" .79" .79" .79" .79"
HChainstay length 17.52" 17.44" 17.52" 17.44" 17.52" 17.44" 17.52" 17.44" 17.52" 17.44"
IOffset 2.01" 2.01" 2.01" 2.01" 2.01" 2.01" 2.01" 2.01" 2.01" 2.01"
JTrail 3.86" 3.66" 3.86" 3.66" 3.86" 3.66" 3.86" 3.66" 3.86" 3.66"
KWheelbase 44.41" 44.37" 45.59" 45.55" 46.42" 46.34" 47.24" 47.17" 48.07" 47.99"
LStandover 30.67" 30.28" 30.12" 29.72" 30.24" 29.84" 30.75" 30.35" 32.20" 31.81"
MFrame reach 15.16" 15.47" 16.34" 16.65" 17.09" 17.36" 17.76" 18.07" 18.46" 18.74"
NFrame stack 23.86" 23.86" 23.86" 23.86" 24.06" 24.06" 24.41" 24.41" 24.76" 24.76"