2022 Trek Bikes Roscoe 8 XS
Build
650B/27.5 in × 2.6 in
Insights
Average stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Trek Bikes Roscoe
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 591mm |
| Reach | 390mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, C-T | 340mm |
| Top Tube Length, Effective/Horizontal Center | 552mm |
| Top Tube Slope | 28.5deg |
| Head Tube Angle | 60deg |
| Seat Tube Angle | 73.1deg |
| Effective Seat Tube Angle, Unknown | 74.7deg |
| Head Tube Length | 90mm |
| Bottom Bracket Drop | 45mm |
| Bottom Bracket Height | 313mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 427.6mm |
| Front-Center | 693.8mm |
| Front-Center Horizontal | 692.4mm |
| Wheelbase | 1120mm |
| Fork Offset/Rake | 42mm |
| Trail | 158.2mm very high |
| Mechanical Trail | 137mm |
| Wheel Flop | 68.5mm |
| Standover Height | 729mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 165.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 143mm |
8 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 716.1mm |
| Bike Length with Tires | 1836.1mm |
| Crank Length | 170mm |
| Handlebar Width | 750mm |
| Stem Length | 35mm |
| Stem Angle | 0deg |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 140mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 137 cm to 155 cm |
| PBH | 64 in to 73 in |
Source:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/trail-mountain-bikes/roscoe/roscoe-8/p/35117/?colorCode=blue