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" 17.5" 18.5" 19.5" 21.5"
Actual Frame Size 15.5" 17.5" 18.5" 19.5" 21.5"
ASeat tube 39.4cm 44.5cm 47.0cm 49.5cm 54.6cm
BSeat tube angle 73.0 ° 73.0 ° 73.0 ° 73.0 ° 73.0 °
CHead tube length 11.0cm 12.0cm 13.0cm 14.0cm 16.0cm
DHead angle 69.5 ° 69.5 ° 69.5 ° 69.5 ° 69.5 °
EEffective top tube 55.5cm 58.8cm 60.7cm 62.5cm 64.5cm
FBottom bracket height 29.7cm 29.7cm 29.7cm 29.7cm 29.7cm
HChainstay length 42.4cm 42.4cm 42.4cm 42.4cm 42.4cm
IOffset 4.0cm 4.0cm 4.0cm 4.0cm 4.0cm
JTrail 8.2cm 8.2cm 8.2cm 8.2cm 8.2cm
KWheelbase 104.6cm 107.9cm 109.9cm 111.7cm 113.9cm
LStandover 71.5cm 74.0cm 75.6cm 77.2cm 80.9cm
MFrame reach 38.2cm 41.2cm 42.8cm 44.3cm 45.7cm
NFrame stack 56.7cm 57.7cm 58.6cm 59.5cm 61.4cm
  15.5" 17.5" 18.5" 19.5" 21.5"
Actual Frame Size 15.5" 17.5" 18.5" 19.5" 21.5"
ASeat tube 15.51" 17.52" 18.50" 19.49" 21.50"
BSeat tube angle 73.0 ° 73.0 ° 73.0 ° 73.0 ° 73.0 °
CHead tube length 4.33" 4.72" 5.12" 5.51" 6.30"
DHead angle 69.5 ° 69.5 ° 69.5 ° 69.5 ° 69.5 °
EEffective top tube 21.85" 23.15" 23.90" 24.61" 25.39"
FBottom bracket height 11.69" 11.69" 11.69" 11.69" 11.69"
HChainstay length 16.69" 16.69" 16.69" 16.69" 16.69"
IOffset 1.57" 1.57" 1.57" 1.57" 1.57"
JTrail 3.23" 3.23" 3.23" 3.23" 3.23"
KWheelbase 41.18" 42.48" 43.27" 43.98" 44.84"
LStandover 28.15" 29.13" 29.76" 30.39" 31.85"
MFrame reach 15.04" 16.22" 16.85" 17.44" 17.99"
NFrame stack 22.32" 22.72" 23.07" 23.43" 24.17"

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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