2021 Trek Bikes FX 4 Disc M

Build

700C/29 in × 21 mm

Insights

Average stack and reach vs trend of fitness bikes
Design deviates from other sizes of Trek Bikes FX

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
557mm
Reach
397mm
Stack to Reach Ratio
1.4:1
Seat Tube Length, C-T
445mm
Top Tube Length, Effective/Horizontal Center
557mm
Top Tube Slope
14deg
Head Tube Angle
71.5deg
Seat Tube Angle
74deg
Head Tube Length
130mm
Bottom Bracket Drop
65mm
Bottom Bracket Height
267mm
Chainstay Length
450mm
Chainstay Length Horizontal
445.3mm
Front-Center
618.2mm
Front-Center Horizontal
614.7mm
Wheelbase
1060mm
Fork Offset/Rake
50.4mm
Trail
58mm
mid/​neutral
Mechanical Trail
55mm
Wheel Flop
17.5mm
Standover Height
738mm
Tire to Pedal Spindle Distance
With 170 mm cranks
116.2mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
97mm

4 Disc Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
21mm
Tire Outer Diameter
664mm
Bike Length with Tires
1724mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://www.trekbikes.com/ca/en_CA/bikes/hybrid-bikes/fitness-bikes/fx/fx-4-disc/p/34135/