2023 (Gen 6) - Neutral / Low Trek Bikes Fuel EX 9.8

	XS	S 27.5	S 29	M	ML	L	XL	XXL
Stack	574.1mm	574.1mm	612.3mm	616.8mm	616.8mm	621.3mm	634.9mm	648.4mm
Reach	400.2mm	430.2mm	425mm	450mm	470mm	485mm	515mm	545mm
Stack to Reach Ratio	1.43:1	1.33:1	1.44:1	1.37:1	1.31:1	1.28:1	1.23:1	1.19:1
Seat Tube Length, C-T	360mm	380mm	380mm	410mm	420mm	435mm	470mm	500mm
Top Tube Length, Effective/Horizontal HT Top	516.2mm	550.5mm	553.8mm	584.1mm	607.4mm	626.9mm	661.8mm	696.6mm
Top Tube Slope	24.3deg	21.2deg	24.7deg	21.4deg	19.9deg	18.5deg	15.9deg	14deg
Head Tube Angle	64.5deg	64.5deg	64.5deg	64.5deg	64.5deg	64.5deg	64.5deg	64.5deg
Seat Tube Angle	70.8deg	70.8deg	70.8deg	70.8deg	70.8deg	70.8deg	70.8deg	70.8deg
Effective Seat Tube Angle, ETT Center	78.6deg	78.2deg	78.6deg	78.2deg	77.5deg	77.2deg	76.6deg	76deg
Head Tube Length	95mm	95mm	95mm	100mm	100mm	105mm	120mm	135mm
Bottom Bracket Drop	25mm	25mm	38mm	38mm	38mm	38mm	38mm	38mm
Bottom Bracket Height	330.5mm	330.5mm	336.5mm	336.5mm	336.5mm	336.5mm	336.5mm	336.5mm
Chainstay Length	435mm	435mm	435mm	435mm	440mm	440mm	445mm	450mm
Chainstay Length Horizontal	434.3mm	434.3mm	433.3mm	433.3mm	438.4mm	438.4mm	443.4mm	448.4mm
Front-Center	711mm	740.9mm	753.5mm	780.6mm	795.7mm	812.7mm	844.2mm	875.6mm
Front-Center Horizontal	710.5mm	740.5mm	752.6mm	779.7mm	794.7mm	811.8mm	843.3mm	874.8mm
Wheelbase	1144.8mm	1174.8mm	1185.9mm	1213mm	1233.1mm	1250.2mm	1286.7mm	1323.2mm
Fork Offset/Rake	44mm	44mm	44mm	44mm	44mm	44mm	44mm	44mm
Fork Length (Axle-To-Crown)	533mm	533mm	561mm	561mm	561mm	561mm	561mm	561mm
Trail	120.8mm very high	120.8mm very high	129.9mm very high	129.9mm very high	129.9mm very high	129.9mm very high	129.9mm very high	129.9mm very high
Mechanical Trail	109.1mm	109.1mm	117.2mm	117.2mm	117.2mm	117.2mm	117.2mm	117.2mm
Wheel Flop	47mm	47mm	50.5mm	50.5mm	50.5mm	50.5mm	50.5mm	50.5mm
Standover Height	716.8mm	723.8mm	736.8mm	736.8mm	741.8mm	747.8mm	766.8mm	773.8mm
Tire to Pedal Spindle	185.5mm 170 mm cranks	215.4mm 170 mm cranks	209mm 170 mm cranks	236.1mm 170 mm cranks	251.2mm 170 mm cranks	268.2mm 170 mm cranks	299.7mm 170 mm cranks	331.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	160.5mm 170 mm cranks	160.5mm 170 mm cranks	166.5mm 170 mm cranks	166.5mm 170 mm cranks	166.5mm 170 mm cranks	166.5mm 170 mm cranks	166.5mm 170 mm cranks	166.5mm 170 mm cranks

	XS	S 27.5	S 29	M	ML	L	XL	XXL
Wheel Size	650B/27.5 in 584 mm BSD	650B/27.5 in 584 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	700C/29 in 622 mm BSD
Tire Width	2.5in	2.5in	2.5in	2.5in	2.5in	2.5in	2.5in	2.5in
Tire Outer Diameter	711mm	711mm	749mm	749mm	749mm	749mm	749mm	749mm
Bike Length with Tires	1855.8mm	1885.8mm	1934.9mm	1962mm	1982.1mm	1999.2mm	2035.7mm	2072.2mm

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

Full-suspension Trail MTB

Source:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/trail-mountain-bikes/fuel-ex/fuel-ex-9-8-gx-axs-gen-6/p/36953/?colorCode=yellow

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2023 (Gen 6) - Neutral / Low Trek Bikes Fuel EX 9.8

Geometry

9.8 Build

Stack and Reach vs. Category Trend