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


  50cm 52cm 54cm 56cm
Actual Frame Size 50cm 52cm 54cm 56cm
ASeat tube 45.0cm 47.5cm 50.0cm 52.5cm
BSeat tube angle 74.6 ° 74.2 ° 73.7 ° 73.3 °
CHead tube length 13.0cm 14.5cm 16.0cm 17.5cm
DHead angle 71.1 ° 71.3 ° 71.3 ° 71.9 °
EEffective top tube 51.9cm 53.0cm 54.2cm 55.4cm
GBottom bracket drop 8.0cm 8.0cm 8.0cm 7.8cm
HChainstay length 42.0cm 42.0cm 42.0cm 42.0cm
IOffset 5.3cm 5.3cm 5.3cm 4.8cm
JTrail 6.0cm 5.9cm 5.9cm 6.1cm
KWheelbase 99.6cm 100.3cm 101.0cm 100.8cm
LStandover 71.6cm 73.5cm 75.4cm 77.6cm
MFrame reach 36.8cm 37.1cm 37.4cm 37.7cm
NFrame stack 54.6cm 56.1cm 57.5cm 59.1cm
  50cm 52cm 54cm 56cm
Actual Frame Size 50cm 52cm 54cm 56cm
ASeat tube 17.72" 18.70" 19.69" 20.67"
BSeat tube angle 74.6 ° 74.2 ° 73.7 ° 73.3 °
CHead tube length 5.12" 5.71" 6.30" 6.89"
DHead angle 71.1 ° 71.3 ° 71.3 ° 71.9 °
EEffective top tube 20.43" 20.87" 21.34" 21.81"
GBottom bracket drop 3.15" 3.15" 3.15" 3.07"
HChainstay length 16.54" 16.54" 16.54" 16.54"
IOffset 2.09" 2.09" 2.09" 1.89"
JTrail 2.36" 2.32" 2.32" 2.40"
KWheelbase 39.21" 39.49" 39.76" 39.68"
LStandover 28.19" 28.94" 29.68" 30.55"
MFrame reach 14.49" 14.61" 14.72" 14.84"
NFrame stack 21.50" 22.09" 22.64" 23.27"

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