2018 Trek Bikes FX 2 Base

	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

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.

Category Trend

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

Geometry