2023 Trek Bikes Top Fuel 9.8 (130 fork)
- Category
- Full-suspension Trail MTB
- Design
- Flat Bar, Full suspension
- Suspension
- 130mm fork travel, 120mm rear travel
- Features
- Disc brake
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S Low | S High | M Low | M High | ML Low | ML High | L Low | L High | XL Low | XL High | |
Stack | 599mm | 596mm | 599mm | 596mm | 604mm | 600mm | 608mm | 605mm | 622mm | 619mm |
Reach | 415mm | 419mm | 445mm | 449mm | 460mm | 464mm | 475mm | 479mm | 495mm | 499mm |
Stack to Reach Ratio | 1.44:1 | 1.42:1 | 1.35:1 | 1.33:1 | 1.31:1 | 1.29:1 | 1.28:1 | 1.26:1 | 1.26:1 | 1.24:1 |
Seat Tube Length, C-T | 395mm | 395mm | 420mm | 420mm | 435mm | 435mm | 450mm | 450mm | 500mm | 500mm |
Top Tube Length, Effective/Horizontal Center | 570mm | 569mm | 600mm | 599mm | 616mm | 615mm | 632mm | 631mm | 655mm | 654mm |
Top Tube Slope | 22.5deg | 22.1deg | 19.2deg | 18.8deg | 17.8deg | 17.3deg | 16.4deg | 16.1deg | 12.9deg | 12.6deg |
Head Tube Angle | 65.5deg | 65.9deg | 66.5deg | 65.9deg | 65.5deg | 65.9deg | 65.6deg | 65.9deg | 65.6deg | 65.9deg |
Seat Tube Angle | 69.5deg | 69.9deg | 69.5deg | 69.9deg | 69.5deg | 69.9deg | 69.5deg | 69.9deg | 69.5deg | 69.9deg |
Effective Seat Tube Angle, ETT HT Top | 75.5deg | 75.9deg | 75.5deg | 75.9deg | 75.5deg | 75.5deg | 75.9deg | 75.9deg | 75.5deg | 75.9deg |
Head Tube Length | 100mm | 100mm | 100mm | 100mm | 105mm | 105mm | 110mm | 110mm | 125mm | 125mm |
Bottom Bracket Drop | 32mm | 27mm | 33mm | 27mm | 33mm | 27mm | 33mm | 27mm | 33mm | 27mm |
Bottom Bracket Height | 340mm | 345mm | 339mm | 345mm | 339mm | 345mm | 339mm | 345mm | 339mm | 345mm |
Chainstay Length | 434mm | 435mm | 434mm | 435mm | 434mm | 435mm | 434mm | 435mm | 434mm | 435mm |
Chainstay Length Horizontal | 432.8mm | 434.2mm | 432.7mm | 434.2mm | 432.7mm | 434.2mm | 432.7mm | 434.2mm | 432.7mm | 434.2mm |
Front-Center | 721.9mm | 719.4mm | 752mm | 749.3mm | 769mm | 766.3mm | 786mm | 783.3mm | 811.9mm | 810.3mm |
Front-Center Horizontal | 721.2mm | 718.8mm | 751.3mm | 748.8mm | 768.3mm | 765.8mm | 785.3mm | 782.8mm | 811.3mm | 809.8mm |
Wheelbase | 1154mm | 1153mm | 1184mm | 1183mm | 1201mm | 1200mm | 1218mm | 1217mm | 1244mm | 1244mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm |
Trail | 121.2mm very high | 118.2mm very high | 113.8mm very high | 118.2mm very high | 121.2mm very high | 118.2mm very high | 120.4mm very high | 118.2mm very high | 120.4mm very high | 118.2mm very high |
Mechanical Trail | 110.3mm | 107.9mm | 104.3mm | 107.9mm | 110.3mm | 107.9mm | 109.7mm | 107.9mm | 109.7mm | 107.9mm |
Wheel Flop | 45.7mm | 44.1mm | 41.6mm | 44.1mm | 45.7mm | 44.1mm | 45.3mm | 44.1mm | 45.3mm | 44.1mm |
Standover Height | 719mm | 724mm | 739mm | 744mm | 744mm | 749mm | 749mm | 754mm | 759mm | 764mm |
Tire to Pedal Spindle | 179.9mm 170 mm cranks | 177.4mm 170 mm cranks | 210mm 170 mm cranks | 207.4mm 170 mm cranks | 227mm 170 mm cranks | 224.4mm 170 mm cranks | 244mm 170 mm cranks | 241.3mm 170 mm cranks | 265mm 175 mm cranks | 263.3mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 170mm 170 mm cranks | 175mm 170 mm cranks | 169mm 170 mm cranks | 175mm 170 mm cranks | 169mm 170 mm cranks | 175mm 170 mm cranks | 169mm 170 mm cranks | 175mm 170 mm cranks | 164mm 175 mm cranks | 170mm 175 mm cranks |
9.8 (130 fork) Build
S Low | S High | M Low | M High | ML Low | ML High | L Low | L High | XL Low | XL High | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 743.9mm | 743.9mm | 743.9mm | 743.9mm | 743.9mm | 743.9mm | 743.9mm | 743.9mm | 743.9mm | 743.9mm |
Bike Length with Tires | 1897.9mm | 1896.9mm | 1927.9mm | 1926.9mm | 1944.9mm | 1943.9mm | 1961.9mm | 1960.9mm | 1987.9mm | 1987.9mm |
Crank Length | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm | 175mm | 175mm |
Handlebar Width | 750mm | 750mm | 780mm | 780mm | 780mm | 780mm | 780mm | 780mm | 780mm | 780mm |
Stem Length | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Stem Angle | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg |
Published Sizing Recommendations
Height | 153 cm to 166.5 cm | 153 cm to 166.5 cm | 161 cm to 172 cm | 161 cm to 172 cm | 165.5 cm to 179 cm | 165.5 cm to 179 cm | 177 cm to 188 cm | 177 cm to 188 cm | 186 cm to 196 cm | 186 cm to 196 cm |
Stack and Reach vs. Category Trend
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.
Learn more about the Upright/Aggressive ScaleCategory Trend
Full-suspension Trail MTBSource: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