2022 Trek Bikes Roscoe 8

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 Scale
Category Trend
Hardtail Trail MTB
Source:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/trail-mountain-bikes/roscoe/roscoe-8/p/35117/?colorCode=blue