2023 Trek Bikes FX 3 Disc

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

Geometry

XS
S
M
L
XL
XXL
Stack
537mm
539mm
557mm
586mm
618mm
647mm
Reach
383mm
393mm
397mm
398mm
398mm
392mm
Stack to Reach Ratio
1.4:1
1.37:1
1.4:1
1.47:1
1.55:1
1.65:1
Seat Tube Length, C-T
330mm
381mm
445mm
508mm
572mm
635mm
Top Tube Length, Effective/Horizontal HT Top
527mm
542mm
557mm
571mm
587mm
601mm
Top Tube Slope
25deg
19.2deg
14deg
10.3deg
7.2deg
4.2deg
Head Tube Angle
70deg
70.5deg
71.5deg
71.5deg
72.5deg
72.5deg
Seat Tube Angle
75deg
74.5deg
74deg
73.5deg
73deg
72deg
Head Tube Length
115mm
115mm
130mm
160mm
190mm
220mm
Bottom Bracket Drop
65mm
65mm
65mm
65mm
65mm
65mm
Bottom Bracket Height
278mm
278mm
278mm
278mm
278mm
278mm
Chainstay Length
450mm
450mm
450mm
450mm
450mm
450mm
Chainstay Length Horizontal
445.3mm
445.3mm
445.3mm
445.3mm
445.3mm
445.3mm
Front-Center
611.2mm
617.2mm
618.2mm
628.1mm
628.1mm
630.1mm
Front-Center Horizontal
607.7mm
613.7mm
614.7mm
624.7mm
624.7mm
626.7mm
Wheelbase
1053mm
1059mm
1060mm
1070mm
1070mm
1072mm
Fork Offset/Rake
78mm
75mm
68mm
68mm
62mm
62mm
Fork Length (Axle-To-Crown)
405mm
405mm
405mm
405mm
405mm
405mm
Trail
41.8mm
low
41.9mm
low
43.1mm
low
43.1mm
low
43.1mm
low
43.1mm
low
Mechanical Trail
39.3mm
39.5mm
40.8mm
40.8mm
41.1mm
41.1mm
Wheel Flop
13.5mm
13.2mm
13mm
13mm
12.4mm
12.4mm
Standover Height
673mm
704mm
738mm
799mm
848mm
885mm
Tire to Pedal Spindle
98.2mm
170 mm cranks
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
108mm
170 mm cranks
103mm
175 mm cranks
103mm
175 mm cranks
103mm
175 mm cranks

3 Disc Build

XS
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
700C/29 in
622 mm BSD
Tire Width
32mm
32mm
32mm
32mm
32mm
32mm
Tire Width Max
38mm
38mm
38mm
38mm
38mm
38mm
Tire Outer Diameter
686mm
686mm
686mm
686mm
686mm
686mm
Bike Length with Tires
1739mm
1745mm
1746mm
1756mm
1756mm
1758mm
Crank Length
170mm
170mm
170mm
175mm
175mm
175mm
Handlebar Width
600mm
600mm
600mm
660mm
660mm
660mm
Stem Length
90mm
90mm
100mm
100mm
100mm
100mm
Stem Angle
7deg
7deg
7deg
7deg
7deg
7deg

Published Sizing Recommendations

Height
147 cm
to
155 cm
155 cm
to
165 cm
165 cm
to
175 cm
175 cm
to
186 cm
186 cm
to
197 cm
197 cm
to
203 cm

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
Hybrid
Source:https://www.trekbikes.com/us/en_US/bikes/hybrid-bikes/fitness-bikes/fx/fx-3-disc/