2023 Trek Bikes Top Fuel 9.8 (130 fork) L Low
Build
700C/29 in × 2.4 in
Insights
Somewhat aggressive stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of Trek Bikes Top Fuel
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 608mm |
| Reach | 475mm |
| Stack to Reach Ratio | 1.28:1 |
| Seat Tube Length, C-T | 450mm |
| Top Tube Length, Effective/Horizontal Center | 632mm |
| Top Tube Slope | 16.4deg |
| Head Tube Angle | 65.6deg |
| Seat Tube Angle | 69.5deg |
| Effective Seat Tube Angle, ETT HT Top | 75.9deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 33mm |
| Bottom Bracket Height | 339mm |
| Chainstay Length | 434mm |
| Chainstay Length Horizontal | 432.7mm |
| Front-Center | 786mm |
| Front-Center Horizontal | 785.3mm |
| Wheelbase | 1218mm |
| Fork Offset/Rake | 44mm |
| Trail | 120.4mm very high |
| Mechanical Trail | 109.7mm |
| Wheel Flop | 45.3mm |
| Standover Height | 749mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 244mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 169mm |
9.8 (130 fork) Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1961.9mm |
| Crank Length | 170mm |
| Handlebar Width | 780mm |
| Stem Length | 45mm |
| Stem Angle | 0deg |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 130mm |
| Rear Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 177 cm to 188 cm |
Source:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/cross-country-mountain-bikes/top-fuel/top-fuel-9-8-gx-axs/p/37062/?colorCode=reddark