2020 Gunnar Cycles USA RockTour II 29er Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Features
Disc brake
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

13.5
15.0
16.5
17.5
19.0 (27.5")
19.0 (29")
20.5 (27.5")
20.5 (29")
23.0
25.0
Stack
523mm
527mm
547mm
571mm
583mm
585mm
619mm
611mm
647mm
675mm
Reach
380mm
384mm
378mm
376mm
387mm
387mm
390mm
393mm
396mm
402mm
Stack to Reach Ratio
1.38:1
1.37:1
1.45:1
1.52:1
1.51:1
1.51:1
1.59:1
1.55:1
1.63:1
1.68:1
Seat Tube Length, Unknown
343mm
381mm
420mm
445mm
483mm
483mm
520mm
522mm
584mm
625mm
Top Tube Length, Effective/Horizontal Unknown
520mm
530mm
530mm
540mm
560mm
560mm
580mm
580mm
600mm
615mm
Top Tube Slope
22.7deg
18deg
16.5deg
15.6deg
11.6deg
11.9deg
11.5deg
10.4deg
8.6deg
6.3deg
Head Tube Angle
70.5deg
70.5deg
70deg
70deg
70deg
70.5deg
70deg
70.5deg
70.5deg
70.5deg
Seat Tube Angle
75deg
74.5deg
74.5deg
74deg
73.5deg
73.5deg
73deg
73deg
72.5deg
72.5deg
Head Tube Length
110mm
115mm
110mm
135mm
149mm
125mm
187mm
151mm
189mm
219mm
Bottom Bracket Drop
50mm
50mm
65mm
65mm
65mm
75mm
65mm
75mm
75mm
75mm
Bottom Bracket Height
287.5mm
287.5mm
285mm
285mm
285mm
294mm
285mm
294mm
294mm
294mm
Chainstay Length
440mm
440mm
450mm
450mm
450mm
460mm
450mm
460mm
460mm
460mm
Chainstay Length Horizontal
437.2mm
437.2mm
445.3mm
445.3mm
445.3mm
453.8mm
445.3mm
453.8mm
453.8mm
453.8mm
Front-Center
602mm
607mm
615mm
622mm
639mm
632mm
653mm
647mm
663mm
679mm
Front-Center Horizontal
599.9mm
605.9mm
611.7mm
618.7mm
635.7mm
627.2mm
650.7mm
643.2mm
658.2mm
675.2mm
Wheelbase
1037mm
1043mm
1057mm
1064mm
1081mm
1081mm
1096mm
1097mm
1112mm
1129mm
Fork Offset/Rake
50mm
50mm
55mm
55mm
57mm
57mm
55mm
57mm
57mm
57mm
Fork Length (Axle-To-Crown)
395mm
395mm
409mm
409mm
409mm
424mm
409mm
424mm
424mm
424mm
Trail
66.5mm
high
66.5mm
high
68.9mm
high
68.9mm
high
66.7mm
high
70.2mm
high
68.9mm
high
70.2mm
high
70.2mm
high
70.2mm
high
Mechanical Trail
62.7mm
62.7mm
64.7mm
64.7mm
62.7mm
66.2mm
64.7mm
66.2mm
66.2mm
66.2mm
Wheel Flop
20.9mm
20.9mm
22.1mm
22.1mm
21.5mm
22.1mm
22.1mm
22.1mm
22.1mm
22.1mm
Standover Height
688.3mm
706.1mm
739.1mm
751.8mm
772.2mm
795mm
815.3mm
828mm
876.3mm
906.8mm
Tire to Pedal Spindle
94.5mm
170 mm cranks
99.5mm
170 mm cranks
95mm
170 mm cranks
102mm
170 mm cranks
119mm
170 mm cranks
93mm
170 mm cranks
133mm
170 mm cranks
108mm
170 mm cranks
124mm
170 mm cranks
140mm
170 mm cranks
Pedal Spindle to Ground Clearance
117.5mm
170 mm cranks
117.5mm
170 mm cranks
115mm
170 mm cranks
115mm
170 mm cranks
115mm
170 mm cranks
124mm
170 mm cranks
115mm
170 mm cranks
124mm
170 mm cranks
124mm
170 mm cranks
124mm
170 mm cranks

Base Build

13.5
15.0
16.5
17.5
19.0 (27.5")
19.0 (29")
20.5 (27.5")
20.5 (29")
23.0
25.0
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
700C/29 in
622 mm BSD
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
Tire Width
58mm
58mm
58mm
58mm
58mm
58mm
58mm
58mm
58mm
58mm
Tire Outer Diameter
675mm
675mm
700mm
700mm
700mm
738mm
700mm
738mm
738mm
738mm
Bike Length with Tires
1712mm
1718mm
1757mm
1764mm
1781mm
1819mm
1796mm
1835mm
1850mm
1867mm

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
Off-road Touring
Source:http://gunnarbikes.com/site/rocktourii/