2022 Trek Bikes Roscoe 8
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Aluminum
- Suspension
- 140mm fork travel
- Features
- Disc brake
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright 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 upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
XS | S | M | ML | L | XL | |
Stack | 591mm | 626mm | 635mm | 639mm | 644mm | 666mm |
Reach | 390mm | 415mm | 440mm | 455mm | 470mm | 495mm |
Stack to Reach Ratio | 1.52:1 | 1.51:1 | 1.44:1 | 1.4:1 | 1.37:1 | 1.35:1 |
Seat Tube Length, C-T | 340mm | 360mm | 420mm | 435mm | 450mm | 500mm |
Top Tube Length, Effective/Horizontal Center | 552mm | 586mm | 614mm | 630mm | 646mm | 677mm |
Top Tube Slope | 28.5deg | 28.5deg | 22.5deg | 21deg | 19.6deg | 16.3deg |
Head Tube Angle | 60deg | 65deg | 65deg | 65deg | 65deg | 65deg |
Seat Tube Angle | 73.1deg | 73.1deg | 73.1deg | 73.1deg | 73.1deg | 73.1deg |
Effective Seat Tube Angle, Unknown | 74.7deg | 74.7deg | 74.7deg | 74.7deg | 74.7deg | 74.7deg |
Head Tube Length | 90mm | 90mm | 100mm | 105mm | 110mm | 135mm |
Bottom Bracket Drop | 45mm | 61mm | 61mm | 61mm | 61mm | 61mm |
Bottom Bracket Height | 313mm | 316mm | 316mm | 316mm | 316mm | 316mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 427.6mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm |
Front-Center | 693.8mm | 727.9mm | 757.8mm | 774.8mm | 791.7mm | 826.6mm |
Front-Center Horizontal | 692.4mm | 725.4mm | 755.4mm | 772.4mm | 789.4mm | 824.4mm |
Wheelbase | 1120mm | 1151mm | 1181mm | 1198mm | 1215mm | 1250mm |
Fork Offset/Rake | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm |
Trail | 158.2mm very high | 129.5mm very high | 129.5mm very high | 129.5mm very high | 129.5mm very high | 129.5mm very high |
Mechanical Trail | 137mm | 117.3mm | 117.3mm | 117.3mm | 117.3mm | 117.3mm |
Wheel Flop | 68.5mm | 49.6mm | 49.6mm | 49.6mm | 49.6mm | 49.6mm |
Standover Height | 729mm | 741mm | 748mm | 742mm | 755mm | 765mm |
Tire to Pedal Spindle | 165.8mm 170 mm cranks | 180.9mm 170 mm cranks | 210.8mm 170 mm cranks | 227.7mm 170 mm cranks | 244.7mm 170 mm cranks | 274.6mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 143mm 170 mm cranks | 146mm 170 mm cranks | 146mm 170 mm cranks | 146mm 170 mm cranks | 146mm 170 mm cranks | 141mm 175 mm cranks |
8 Build
XS | S | M | ML | L | XL | |
Wheel Size | 650B/27.5 in 584 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 | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Outer Diameter | 716.1mm | 754.1mm | 754.1mm | 754.1mm | 754.1mm | 754.1mm |
Bike Length with Tires | 1836.1mm | 1905.1mm | 1935.1mm | 1952.1mm | 1969.1mm | 2004.1mm |
Crank Length | 170mm | 170mm | 170mm | 170mm | 170mm | 175mm |
Handlebar Width | 750mm | 750mm | 780mm | 780mm | 780mm | 780mm |
Stem Length | 35mm | 35mm | 50mm | 50mm | 50mm | 50mm |
Stem Angle | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg |
Published Sizing Recommendations
Height | 137 cm to 155 cm | 153 cm to 166.5 cm | 161 cm to 172 cm | 165.5 cm to 179 cm | 177 cm to 188 cm | 186 cm to 196 cm |
PBH | 64 in to 73 in | 72 in to 79 in | 76 in to 81 in | 77 in to 84 in | 83 in to 88 in | 87 in to 92 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:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/trail-mountain-bikes/roscoe/roscoe-8/p/35117/?colorCode=blue