2021 Trek Bikes Fuel EX 9.8 XL 21.5 (29") Low

Build

700C/29 in × 2.6 in

Insights

Somewhat aggressive 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
623mm
Reach
500mm
Stack to Reach Ratio
1.25:1
Seat Tube Length, C-T
500mm
Top Tube Length, Effective/Horizontal HT Top
662mm
Top Tube Slope
12.5deg
Head Tube Angle
66.5deg
Seat Tube Angle
75.5deg
Head Tube Length
120mm
Bottom Bracket Drop
27mm
Bottom Bracket Height
350mm
Chainstay Length
436mm
Chainstay Length Horizontal
435.2mm
Front-Center
806.3mm
Front-Center Horizontal
805.8mm
Wheelbase
1241mm
Fork Offset/Rake
43mm
Trail
117.1mm
very high
Mechanical Trail
107.3mm
Wheel Flop
42.8mm
Standover Height
776mm
Tire to Pedal Spindle Distance
With 175 mm cranks
254.3mm
Pedal Spindle to Ground Clearance
With 175 mm cranks
175mm

9.8 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.6in
Tire Outer Diameter
754.1mm
Bike Length with Tires
1995.1mm
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
186 cm
to
196 cm
PBH
87 cm
to
92 cm
Source:https://www.trekbikes.com/ca/en_CA/bikes/mountain-bikes/trail-mountain-bikes/fuel-ex/fuel-ex-9-8-xt/p/33408/