2018 Trek Bikes Top Fuel 9.9

Somewhat aggressive stack and reachvs category

Average stack and reachvs category

	15.5" Low	17.5" Low	18.5" Low	19.5" Low	21.5" Low
Stack	561mm	577mm	577mm	587mm	606mm
Reach	392mm	427mm	443mm	457mm	472mm
Stack to Reach Ratio	1.43:1	1.35:1	1.3:1	1.28:1	1.28:1
Seat Tube Length, Unknown	394mm	419mm	445mm	470mm	495mm
Top Tube Length, Actual C-C	553mm	577mm	593mm	611mm	633mm
Top Tube Slope	20deg	17.8deg	14.8deg	13deg	12.1deg
Head Tube Angle	70deg	70deg	70deg	70deg	70deg
Seat Tube Angle	73.5deg	74deg	74deg	74deg	74deg
Head Tube Length	100mm	90mm	90mm	100mm	120mm
Bottom Bracket Drop	25mm	39mm	39mm	39mm	39mm
Bottom Bracket Height	341.9mm	327.9mm	327.9mm	327.9mm	327.9mm
Chainstay Length	427mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	426.3mm	433.3mm	433.3mm	433.3mm	433.3mm
Front-Center	638mm	679mm	695mm	712mm	734mm
Front-Center Horizontal	637.7mm	677.8mm	693.8mm	710.8mm	732.8mm
Wheelbase	1064mm	1111mm	1127mm	1144mm	1166mm
Fork Offset/Rake	48mm	52mm	52mm	51mm	51mm
Trail	82.5mm very high	78.2mm high	78.2mm high	79.3mm high	79.3mm high
Mechanical Trail	77.5mm	73.5mm	73.5mm	74.5mm	74.5mm
Wheel Flop	26.5mm	25.1mm	25.1mm	25.5mm	25.5mm
Standover Height	747mm	730mm	724mm	730mm	738mm
Tire to Pedal Spindle	101.1mm 170 mm cranks	142.1mm 170 mm cranks	158.1mm 170 mm cranks	175.1mm 170 mm cranks	197.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	171.9mm 170 mm cranks	157.9mm 170 mm cranks	157.9mm 170 mm cranks	157.9mm 170 mm cranks	157.9mm 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://99spokes.com/bikes/trek/2018/top-fuel-9.9-race-shop-limited

Geometry