2021 Trek Bikes Fuel EX 9.8 M 17.5 (29") Low

Build

700C/29 in × 2.6 in

Insights

Average stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of Trek Bikes Fuel EX
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
605mm
Reach
445mm
Stack to Reach Ratio
1.36:1
Seat Tube Length, C-T
420mm
Top Tube Length, Effective/Horizontal HT Top
602mm
Top Tube Slope
19.8deg
Head Tube Angle
66.5deg
Seat Tube Angle
75.5deg
Head Tube Length
100mm
Bottom Bracket Drop
28mm
Bottom Bracket Height
349mm
Chainstay Length
436mm
Chainstay Length Horizontal
435.1mm
Front-Center
743.4mm
Front-Center Horizontal
742.9mm
Wheelbase
1178mm
Fork Offset/Rake
43mm
Trail
117.1mm
very high
Mechanical Trail
107.3mm
Wheel Flop
42.8mm
Standover Height
747mm
Tire to Pedal Spindle Distance
With 175 mm cranks
191.4mm
Pedal Spindle to Ground Clearance
With 175 mm cranks
174mm

9.8 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.6in
Tire Outer Diameter
754.1mm
Bike Length with Tires
1932.1mm
Crank Length
175mm
Handlebar Width
780mm
Stem Length
45mm
Suspension Type
Full suspension
Bar Type
Flat Bar
Fork Travel
140mm
Rear Travel
Unknown
Suspension Sag
Unknown
Frame Material
Carbon/Composite
Fork Material
Unknown
Brake Type
Disc

Published Sizing Recommendations

Height
161 cm
to
172 cm
PBH
76 cm
to
81 cm
Source:https://www.trekbikes.com/ca/en_CA/bikes/mountain-bikes/trail-mountain-bikes/fuel-ex/fuel-ex-9-8-xt/p/33408/