2020 Trek Bikes FX 3

Category
Fitness
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category

Geometry

S
M
L
XL
XXL
Stack
539mm
557mm
586mm
618mm
647mm
Reach
393mm
397mm
398mm
398mm
392mm
Stack to Reach Ratio
1.37:1
1.4:1
1.47:1
1.55:1
1.65:1
Seat Tube Length, C-T
381mm
445mm
508mm
572mm
635mm
Top Tube Length, Effective/Horizontal HT Top
542mm
557mm
571mm
587mm
601mm
Top Tube Slope
19.2deg
14deg
10.3deg
7.2deg
4.2deg
Head Tube Angle
70.5deg
71.5deg
71.5deg
72.5deg
73.5deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73deg
72deg
Head Tube Length
115mm
130mm
160mm
190mm
220mm
Bottom Bracket Drop
65mm
65mm
65mm
65mm
65mm
Bottom Bracket Height
278mm
278mm
278mm
278mm
278mm
Chainstay Length
450mm
450mm
450mm
450mm
450mm
Chainstay Length Horizontal
445.3mm
445.3mm
445.3mm
445.3mm
445.3mm
Front-Center
617.2mm
618.2mm
628.1mm
628.1mm
630.1mm
Front-Center Horizontal
613.7mm
614.7mm
624.7mm
624.7mm
626.7mm
Wheelbase
1059mm
1060mm
1070mm
1070mm
1072mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
Trail
68.4mm
high
62mm
mid/​neutral
62mm
mid/​neutral
55.7mm
mid/​neutral
49.5mm
mid/​neutral
Mechanical Trail
64.5mm
58.8mm
58.8mm
53.1mm
47.4mm
Wheel Flop
21.5mm
18.7mm
18.7mm
16mm
13.5mm
Standover Height
704mm
738mm
797mm
848mm
885mm
Tire to Pedal Spindle
104.2mm
170 mm cranks
105.2mm
170 mm cranks
110.1mm
175 mm cranks
110.1mm
175 mm cranks
112.1mm
175 mm cranks
Pedal Spindle to Ground Clearance
108mm
170 mm cranks
108mm
170 mm cranks
103mm
175 mm cranks
103mm
175 mm cranks
103mm
175 mm cranks

3 Build

S
M
L
XL
XXL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
32mm
32mm
32mm
32mm
32mm
Tire Outer Diameter
686mm
686mm
686mm
686mm
686mm
Bike Length with Tires
1745mm
1746mm
1756mm
1756mm
1758mm
Crank Length
170mm
170mm
175mm
175mm
175mm
Handlebar Width
600mm
600mm
660mm
660mm
660mm
Stem Length
90mm
90mm
90mm
90mm
90mm
Stem Angle
7deg
7deg
7deg
7deg
7deg

Published Sizing Recommendations

Height
5 ft 1 in
to
5 ft 5 in
5 ft 5 in
to
5 ft 8.900000000000006 in
5 ft 8.900000000000006 in
to
6 ft 1.2000000000000028 in
6 ft 1.2000000000000028 in
to
6 ft 5.599999999999994 in
6 ft 5.599999999999994 in
to
6 ft 7.900000000000006 in

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Fitness
Source:https://www.trekbikes.com/de/de_DE/bikes/alltagsr%C3%A4der/fitnessbikes/fx/fx-3-disc/p/28474/