2021 Trek Bikes Roscoe 8 XS 13.5

Build

650B/27.5 in × 2.8 in

Insights

Somewhat upright 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
605mm
Reach
351mm
Stack to Reach Ratio
1.72:1
Seat Tube Length, C-T
343mm
Top Tube Length, Effective/Horizontal Center
558mm
Head Tube Angle
67.1deg
Effective Seat Tube Angle, Unknown
71.1deg
Seat Tube Exit Angle
69.7deg
Head Tube Length
90mm
Bottom Bracket Drop
50mm
Bottom Bracket Height
313.1mm
Chainstay Length
438mm
Chainstay Length Horizontal
435.1mm
Front-Center
625.9mm
Front-Center Horizontal
623.9mm
Wheelbase
1059mm
Fork Offset/Rake
44mm
Trail
105.6mm
very high
Mechanical Trail
97.3mm
Wheel Flop
37.9mm
Standover Height
731mm
Tire to Pedal Spindle Distance
With 170 mm cranks
92.7mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
143.1mm

8 Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.8in
Tire Outer Diameter
726.2mm
Bike Length with Tires
1785.2mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
120mm
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
Aluminum
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/28487/?colorCode=bluedark_grey, https://www.trekbikes.com/international/en_IN_TL/international/en_IN_TL/bikes/mountain-bikes/trail-mountain-bikes/roscoe/roscoe-8/p/28487/