2023 Trek Bikes Roscoe 9
- Category
- Hardtail Trail MTB
- Design
- Swept Back Bar, Hardtail (Front suspension)
- Suspension
- 140mm fork travel
Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
M | SM | SM | MD | M | MD | MD/LG | MD/LG | LG | LG | XL | XL | |
Stack | 63.5mm | 626mm | 626mm | 635mm | 635mm | 635mm | 639mm | 639mm | 644mm | 644mm | 666mm | 666mm |
Reach | 44mm | 415mm | 415mm | 440mm | 440mm | 440mm | 455mm | 455mm | 470mm | 470mm | 495mm | 495mm |
Stack to Reach Ratio | 1.44:1 | 1.51:1 | 1.51:1 | 1.44:1 | 1.44:1 | 1.44:1 | 1.4:1 | 1.4:1 | 1.37:1 | 1.37:1 | 1.35:1 | 1.35:1 |
Seat Tube Length, C-T | 42mm | 360mm | 360mm | 420mm | 420mm | 420mm | 435mm | 435mm | 450mm | 450mm | 500mm | 500mm |
Top Tube Length, Effective/Horizontal Center | 61.4mm | — | — | — | 614mm | — | — | — | — | — | — | — |
Top Tube Length, Actual C-C | — | 586mm | 586mm | 614mm | — | 614mm | 630mm | 630mm | 646mm | 646mm | 677mm | 677mm |
Top Tube Slope | 22.5deg | 28.7deg | 28.7deg | 22.7deg | 22.5deg | 22.7deg | 21.1deg | 21.1deg | 19.6deg | 19.6deg | 16.3deg | 16.3deg |
Head Tube Angle | 65deg | 65deg | 65deg | 65deg | 65deg | 65deg | 65deg | 65deg | 65deg | 65deg | 65deg | 65deg |
Seat Tube Angle | 73.1deg | 74.7deg | 74.7deg | 74.7deg | 73.1deg | 74.7deg | 74.7deg | 74.7deg | 74.7deg | 74.7deg | 74.7deg | 74.7deg |
Effective Seat Tube Angle, Unknown | 74.7deg | — | — | — | 74.7deg | — | — | — | — | — | — | — |
Head Tube Length | 10mm | 90mm | 90mm | 100mm | 100mm | 100mm | 105mm | 105mm | 110mm | 110mm | 135mm | 135mm |
Bottom Bracket Drop | 6.1mm | 61mm | 61mm | 61mm | 61mm | 61mm | 61mm | 61mm | 61mm | 61mm | 61mm | 61mm |
Bottom Bracket Height | 370.9mm | 19.5mm | 19.5mm | 19.5mm | 316mm | 19.5mm | 19.5mm | 19.5mm | 19.5mm | 19.5mm | 19.5mm | 19.5mm |
Chainstay Length | 43mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 42.6mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm |
Front-Center | 75.8mm | 728mm | 728mm | 758mm | 757.8mm | 758mm | 775mm | 775mm | 792mm | 792mm | 827mm | 827mm |
Front-Center Horizontal | 75.5mm | 725.4mm | 725.4mm | 755.4mm | 755.4mm | 755.4mm | 772.4mm | 772.4mm | 789.4mm | 789.4mm | 824.4mm | 824.4mm |
Wheelbase | 118.1mm | 1151mm | 1151mm | 1181mm | 1181mm | 1181mm | 1198mm | 1198mm | 1215mm | 1215mm | 1250mm | 1250mm |
Fork Offset/Rake | 4.2mm | 42mm | 42mm | 43mm | 42mm | 43mm | 43mm | 43mm | 43mm | 43mm | 43mm | 43mm |
Trail | 171.2mm very high | -8.8mm | -8.8mm | -9.9mm | 129.5mm very high | -9.9mm | -9.9mm | -9.9mm | -9.9mm | -9.9mm | -9.9mm | -9.9mm |
Mechanical Trail | 155.1mm | -8mm | -8mm | -9mm | 117.3mm | -9mm | -9mm | -9mm | -9mm | -9mm | -9mm | -9mm |
Wheel Flop | 65.6mm | -3.4mm | -3.4mm | -3.8mm | 49.6mm | -3.8mm | -3.8mm | -3.8mm | -3.8mm | -3.8mm | -3.8mm | -3.8mm |
Standover Height | 74.8mm | 741mm | 741mm | 748mm | 748mm | 748mm | 742mm | 742mm | 755mm | 755mm | 765mm | 765mm |
Tire to Pedal Spindle | -471.3mm 170 mm cranks | 477.5mm 170 mm cranks | 477.5mm 170 mm cranks | 507.5mm 170 mm cranks | 210.8mm 170 mm cranks | 507.5mm 170 mm cranks | 524.5mm 170 mm cranks | 524.5mm 170 mm cranks | 541.5mm 170 mm cranks | 541.5mm 170 mm cranks | 576.5mm 170 mm cranks | 576.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 200.9mm 170 mm cranks | -150.5mm 170 mm cranks | -150.5mm 170 mm cranks | -150.5mm 170 mm cranks | 146mm 170 mm cranks | -150.5mm 170 mm cranks | -150.5mm 170 mm cranks | -150.5mm 170 mm cranks | -150.5mm 170 mm cranks | -150.5mm 170 mm cranks | -150.5mm 170 mm cranks | -150.5mm 170 mm cranks |
9 Build
M | SM | SM | MD | M | MD | MD/LG | MD/LG | LG | LG | XL | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 700C/29 in 622 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD |
Tire Width | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Outer Diameter | 754.1mm | 161.1mm | 161.1mm | 161.1mm | 754.1mm | 161.1mm | 161.1mm | 161.1mm | 161.1mm | 161.1mm | 161.1mm | 161.1mm |
Bike Length with Tires | 872.2mm | 1312.1mm | 1312.1mm | 1342.1mm | 1935.1mm | 1342.1mm | 1359.1mm | 1359.1mm | 1376.1mm | 1376.1mm | 1411.1mm | 1411.1mm |
Crank Length | 170mm | — | — | — | 170mm | — | — | — | — | — | — | — |
Handlebar Width | 780mm | — | — | — | 780mm | — | — | — | — | — | — | — |
Stem Length | 50mm | — | — | — | 50mm | — | — | — | — | — | — | — |
Stem Angle | 0deg | — | — | — | 0deg | — | — | — | — | — | — | — |
Published Sizing Recommendations
Height | 13 ft 9 in to 14 ft 8 in | — | — | — | 165 cm to 176 cm | — | — | — | — | — | — | — |
PBH | 79 in to 83 in | — | — | — | 79 in to 83 in | — | — | — | — | — | — | — |
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
Hardtail Trail MTBSource:m, https://99spokes.com/en/bikes/trek/2023/roscoe-9, 2