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


  44cm 47cm 50cm 52cm 54cm 56cm
Actual Frame Size 44cm 47cm 50cm 52cm 54cm 56cm
GBottom bracket drop 8.0cm 8.0cm 8.0cm 8.0cm 8.0cm 7.8cm
HChainstay length 42.0cm 42.0cm 42.0cm 42.0cm 42.0cm 42.0cm
EEffective top tube 50.1cm 50.9cm 51.9cm 53.0cm 54.2cm 55.4cm
NFrame stack 51.0cm 52.7cm 54.6cm 56.1cm 57.5cm 59.1cm
DHead angle 70.3 ° 71.0 ° 71.1 ° 71.3 ° 71.3 ° 71.9 °
CHead tube length 9.5cm 11.0cm 13.0cm 14.5cm 16.0cm 17.5cm
IOffset 5.3cm 5.3cm 5.3cm 5.3cm 5.3cm 4.8cm
MFrame reach 36.0cm 36.4cm 36.8cm 37.1cm 37.4cm 37.7cm
BSeat tube angle 74.6 ° 74.6 ° 74.6 ° 74.2 ° 73.7 ° 73.3 °
Seat height maximum 65.5cm 69.5cm 72.5cm 75.5cm 78.0cm 81.0cm
Seat height minimum 55.5cm 59.5cm 62.5cm 65.5cm 68.0cm 71.0cm
ASeat tube 39.0cm 42.0cm 45.0cm 47.5cm 50.0cm 52.5cm
LStandover 65.7cm 68.6cm 71.6cm 73.5cm 75.4cm 77.6cm
JTrail 6.6cm 6.1cm 6.0cm 5.9cm 5.9cm 6.1cm
KWheelbase 98.3cm 98.6cm 99.6cm 100.3cm 101.0cm 100.8cm
  44cm 47cm 50cm 52cm 54cm 56cm
Actual Frame Size 44cm 47cm 50cm 52cm 54cm 56cm
GBottom bracket drop 3.15" 3.15" 3.15" 3.15" 3.15" 3.07"
HChainstay length 16.54" 16.54" 16.54" 16.54" 16.54" 16.54"
EEffective top tube 19.72" 20.04" 20.43" 20.87" 21.34" 21.81"
NFrame stack 20.08" 20.75" 21.50" 22.09" 22.64" 23.27"
DHead angle 70.3 ° 71.0 ° 71.1 ° 71.3 ° 71.3 ° 71.9 °
CHead tube length 3.74" 4.33" 5.12" 5.71" 6.30" 6.89"
IOffset 2.09" 2.09" 2.09" 2.09" 2.09" 1.89"
MFrame reach 14.17" 14.33" 14.49" 14.61" 14.72" 14.84"
BSeat tube angle 74.6 ° 74.6 ° 74.6 ° 74.2 ° 73.7 ° 73.3 °
Seat height maximum 25.79" 27.36" 28.54" 29.72" 30.71" 31.89"
Seat height minimum 21.85" 23.43" 24.61" 25.79" 26.77" 27.95"
ASeat tube 15.35" 16.54" 17.72" 18.70" 19.69" 20.67"
LStandover 25.87" 27.01" 28.19" 28.94" 29.68" 30.55"
JTrail 2.60" 2.40" 2.36" 2.32" 2.32" 2.40"
KWheelbase 38.70" 38.82" 39.21" 39.49" 39.76" 39.68"

Get fit with Trek Precision Fit

Visit your Trek retailer for a personal fitting. It's the best way to improve your performance on the bike.

Learn more