2021 Trek Bikes FX 2 Disco

	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, Unknown	381mm	445mm	508mm	572mm	635mm
Top Tube Length, Effective/Horizontal Center	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	72.5deg
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	281mm	281mm	281mm	281mm	281mm
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	69.5mm high	63.1mm mid/neutral	63.1mm mid/neutral	56.7mm mid/neutral	56.7mm mid/neutral
Mechanical Trail	65.5mm	59.8mm	59.8mm	54mm	54mm
Wheel Flop	21.9mm	19mm	19mm	16.3mm	16.3mm
Standover Height	704mm	738mm	799mm	848mm	885mm
Tire to Pedal Spindle	101.2mm 170 mm cranks	102.2mm 170 mm cranks	112.1mm 170 mm cranks	112.1mm 170 mm cranks	114.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks

Published Sizing Recommendations

Height	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
PBH	72 in to 78 in	77 in to 83 in	82 in to 88 in	87 in to 93 in	92 in to 95 in

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.

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Source:https://www.trekbikes.com/us/en_US/bikes/hybrid-bikes/fitness-bikes/fx/fx-2-disc/p/27991/?colorCode=black