2020 Trek Bikes Top Fuel 9.8
- Design
- Flat Bar, Full suspension
- Frame
- Carbon/Composite
- Suspension
- 120mm fork 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 | 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 | 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 | 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 | 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 |
Geometry
S/15.5 Low | S/15.5 High | M/17.5 Low | M/17.5 High | ML/18.5 Low | ML/18.5 High | L/19.5 Low | L/19.5 High | XL/21.5 Low | XL/21.5 High | XXL/23.5 Low | XXL/23.5 High | |
Stack | 594mm | 590mm | 594mm | 590mm | 594mm | 590mm | 603mm | 599mm | 612mm | 608mm | 622mm | 617mm |
Reach | 405mm | 410mm | 440mm | 445mm | 456mm | 461mm | 470mm | 475mm | 487mm | 492mm | 510mm | 515mm |
Stack to Reach Ratio | 1.47:1 | 1.44:1 | 1.35:1 | 1.33:1 | 1.3:1 | 1.28:1 | 1.28:1 | 1.26:1 | 1.26:1 | 1.24:1 | 1.22:1 | 1.2:1 |
Seat Tube Length, C-T | 394mm | 394mm | 419mm | 419mm | 445mm | 445mm | 470mm | 470mm | 521mm | 521mm | 570mm | 570mm |
Top Tube Length, Effective/Horizontal HT Top | 564mm | 563mm | 599mm | 598mm | 615mm | 614mm | 632mm | 630mm | 651mm | 650mm | 677mm | 675mm |
Top Tube Slope | 22.8deg | 22.3deg | 19deg | 18.5deg | 16deg | 15.5deg | 14.1deg | 13.7deg | 9.9deg | 9.5deg | 6.2deg | 5.7deg |
Head Tube Angle | 67.5deg | 68deg | 67.5deg | 68deg | 67.5deg | 68deg | 67.5deg | 68deg | 67.5deg | 68deg | 67.5deg | 68deg |
Seat Tube Angle | 75deg | 75.5deg | 75deg | 75.5deg | 75deg | 75.5deg | 75deg | 75.5deg | 75deg | 75.5deg | 75deg | 75.5deg |
Head Tube Length | 90mm | 90mm | 90mm | 90mm | 90mm | 90mm | 100mm | 100mm | 110mm | 110mm | 120mm | 120mm |
Bottom Bracket Drop | 36mm | 30mm | 36mm | 30mm | 36mm | 30mm | 36mm | 29mm | 36mm | 29mm | 36mm | 29mm |
Bottom Bracket Height | 336mm | 342mm | 336mm | 342mm | 336mm | 342mm | 336mm | 343mm | 336mm | 343mm | 336mm | 343mm |
Chainstay Length | 435mm | 434mm | 435mm | 434mm | 435mm | 434mm | 435mm | 434mm | 435mm | 434mm | 435mm | 434mm |
Chainstay Length Horizontal | 433.5mm | 433mm | 433.5mm | 433mm | 433.5mm | 433mm | 433.5mm | 433mm | 433.5mm | 433mm | 433.5mm | 433mm |
Front-Center | 684.4mm | 684.7mm | 719.4mm | 719.7mm | 735.4mm | 735.7mm | 753.4mm | 752.5mm | 774.3mm | 773.5mm | 801.3mm | 800.5mm |
Front-Center Horizontal | 683.5mm | 684mm | 718.5mm | 719mm | 734.5mm | 735mm | 752.5mm | 752mm | 773.5mm | 773mm | 800.5mm | 800mm |
Wheelbase | 1117mm | 1117mm | 1152mm | 1152mm | 1168mm | 1168mm | 1186mm | 1185mm | 1207mm | 1206mm | 1234mm | 1233mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm |
Trail | 106.5mm very high | 102.8mm very high | 106.5mm very high | 102.8mm very high | 106.5mm very high | 102.8mm very high | 106.5mm very high | 102.8mm very high | 106.5mm very high | 102.8mm very high | 106.5mm very high | 102.8mm very high |
Mechanical Trail | 98.3mm | 95.3mm | 98.3mm | 95.3mm | 98.3mm | 95.3mm | 98.3mm | 95.3mm | 98.3mm | 95.3mm | 98.3mm | 95.3mm |
Wheel Flop | 37.6mm | 35.7mm | 37.6mm | 35.7mm | 37.6mm | 35.7mm | 37.6mm | 35.7mm | 37.6mm | 35.7mm | 37.6mm | 35.7mm |
Standover Height | 725mm | 730mm | 730mm | 735mm | 735mm | 741mm | 745mm | 751mm | 765mm | 771mm | 780mm | 786mm |
Tire to Pedal Spindle | 142.5mm 170 mm cranks | 142.7mm 170 mm cranks | 177.4mm 170 mm cranks | 177.7mm 170 mm cranks | 193.4mm 170 mm cranks | 193.7mm 170 mm cranks | 211.4mm 170 mm cranks | 210.6mm 170 mm cranks | 232.4mm 170 mm cranks | 231.6mm 170 mm cranks | 259.3mm 170 mm cranks | 258.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 166mm 170 mm cranks | 172mm 170 mm cranks | 166mm 170 mm cranks | 172mm 170 mm cranks | 166mm 170 mm cranks | 172mm 170 mm cranks | 166mm 170 mm cranks | 173mm 170 mm cranks | 166mm 170 mm cranks | 173mm 170 mm cranks | 166mm 170 mm cranks | 173mm 170 mm cranks |
9.8 Build
S/15.5 Low | S/15.5 High | M/17.5 Low | M/17.5 High | ML/18.5 Low | ML/18.5 High | L/19.5 Low | L/19.5 High | XL/21.5 Low | XL/21.5 High | XXL/23.5 Low | XXL/23.5 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 | 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 | 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 | 743.9mm | 743.9mm |
Bike Length with Tires | 1860.9mm | 1860.9mm | 1895.9mm | 1895.9mm | 1911.9mm | 1911.9mm | 1929.9mm | 1928.9mm | 1950.9mm | 1949.9mm | 1977.9mm | 1976.9mm |
Stem Length | 6cm | 6cm | 6cm | 6cm | 6cm | 6cm | 7cm | 7cm | 7cm | 7cm | 7cm | 7cm |
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 Cross-country MTBSource:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/cross-country-mountain-bikes/top-fuel/top-fuel-9-8/p/27920/?colorCode=black_tealdark