2018 Trek Bikes FX 2 Base

Category
Rigid MTB
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Aluminum
Features
Rim brake
Somewhat aggressive stack and reachvs category
Very aggressive stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Very upright stack and reachvs category

Geometry

Medium
Small
Large
X-Large
XX-Large
Stack
555mm
541mm
589mm
621mm
650mm
Reach
389mm
394mm
394mm
400mm
392mm
Stack to Reach Ratio
1.43:1
1.37:1
1.49:1
1.55:1
1.66:1
Seat Tube Length, C-T
444mm
381mm
508mm
571mm
635mm
Top Tube Length, Effective/Horizontal Center
548mm
544mm
568mm
590mm
603mm
Top Tube Slope
14.1deg
19.3deg
10.7deg
7.5deg
4.5deg
Head Tube Angle
70.5deg
70.5deg
71.5deg
72.5deg
72.5deg
Seat Tube Angle
74deg
74.5deg
73.5deg
73deg
72deg
Head Tube Length
130mm
115mm
160mm
190mm
220mm
Bottom Bracket Drop
62mm
62mm
62mm
62mm
62mm
Bottom Bracket Height
284mm
284mm
284mm
284mm
284mm
Chainstay Length
445mm
445mm
445mm
445mm
445mm
Chainstay Length Horizontal
440.7mm
440.7mm
440.7mm
440.7mm
440.7mm
Front-Center
619.5mm
619.5mm
620.5mm
626.4mm
627.4mm
Front-Center Horizontal
616.3mm
616.3mm
617.3mm
623.3mm
624.3mm
Wheelbase
1057mm
1057mm
1058mm
1064mm
1065mm
Fork Offset/Rake
50mm
50mm
45mm
45mm
45mm
Trail
69.5mm
high
69.5mm
high
68.3mm
high
61.9mm
mid/​neutral
61.9mm
mid/​neutral
Mechanical Trail
65.5mm
65.5mm
64.8mm
59mm
59mm
Wheel Flop
21.9mm
21.9mm
20.6mm
17.8mm
17.8mm
Standover Height
735mm
693mm
783mm
831mm
877mm
Tire to Pedal Spindle
103.5mm
170 mm cranks
103.5mm
170 mm cranks
104.5mm
170 mm cranks
110.4mm
170 mm cranks
111.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
114mm
170 mm cranks
114mm
170 mm cranks
114mm
170 mm cranks
114mm
170 mm cranks
114mm
170 mm cranks

Base Build

Medium
Small
Large
X-Large
XX-Large
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
35mm
35mm
35mm
35mm
35mm
Tire Outer Diameter
692mm
692mm
692mm
692mm
692mm
Bike Length with Tires
1749mm
1749mm
1750mm
1756mm
1757mm

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
Rigid MTB
Source:https://www.trekbikes.com/gb/en_GB/bikes/hybrid-bikes/fitness-bikes/fx/fx-2-disc/p/21574/