2023 Trek Bikes Fuel EX 9.8 Large
Build
700C/29 in × 2.5 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
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Geometry
| Stack | 616mm |
| Reach | 491mm |
| Stack to Reach Ratio | 1.25:1 |
| Seat Tube Length, Unknown | 435mm |
| Top Tube Length, Effective/Horizontal Unknown | 625.6mm |
| Top Tube Slope | 18.1deg |
| Head Tube Angle | 65.1deg |
| Seat Tube Angle | 77.2deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 30.5mm |
| Bottom Bracket Height | 344mm |
| Chainstay Length | 438.1mm |
| Chainstay Length Horizontal | 437mm |
| Front-Center | 812.7mm |
| Front-Center Horizontal | 812.2mm |
| Wheelbase | 1249.2mm |
| Fork Offset/Rake | 44mm |
| Fork Length, Unknown | 561mm |
| Trail | 125.3mm very high |
| Mechanical Trail | 113.7mm |
| Wheel Flop | 47.9mm |
| Standover Height | 754mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 268.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 174mm |
9.8 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.5in |
| Tire Outer Diameter | 749mm |
| Bike Length with Tires | 1998.2mm |
| Crank Length | 170mm |
| Handlebar Width | 820mm |
| Stem Length | 45mm |
| Stem Angle | 0deg |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 150mm |
| Rear Travel | 140mm |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Published Sizing Recommendations
| Height | 5 ft 10 in to 6 ft 8 in |
Source:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/trail-mountain-bikes/fuel-ex/fuel-ex-9-8-xt-gen-6/p/36358/?colorCode=black_grey