2017 Gunnar Cycles USA Rock Tour 26er Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Steel
Features
Disc brake
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very aggressive 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

Geometry

13.5"
16"
17.5"
19"
20.5"
Stack
561mm
561mm
559mm
559mm
601mm
Reach
372mm
383mm
396mm
407mm
409mm
Stack to Reach Ratio
1.51:1
1.46:1
1.41:1
1.37:1
1.47:1
Seat Tube Length, C-T
343mm
407mm
445mm
483mm
522mm
Top Tube Length, Effective/Horizontal HT Top
540mm
550mm
565mm
580mm
595mm
Top Tube Slope
26.4deg
18.9deg
14.2deg
10deg
10.3deg
Head Tube Angle
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73deg
73deg
Head Tube Length
107mm
107mm
105mm
105mm
150mm
Bottom Bracket Drop
40mm
40mm
40mm
40mm
40mm
Bottom Bracket Height
297.9mm
297.9mm
297.9mm
297.9mm
297.9mm
Chainstay Length
440mm
440mm
440mm
440mm
440mm
Chainstay Length Max
440mm
440mm
440mm
440mm
440mm
Chainstay Length Horizontal
438.2mm
438.2mm
438.2mm
438.2mm
438.2mm
Chainstay Length Horizontal Max
438.2mm
438.2mm
438.2mm
438.2mm
438.2mm
Front-Center
588.2mm
599.2mm
611.1mm
623.1mm
639.1mm
Front-Center Horizontal
586.8mm
597.8mm
609.8mm
621.8mm
637.8mm
Wheelbase
1025mm
1036mm
1048mm
1060mm
1076mm
Wheelbase Max
1025mm
1036mm
1048mm
1060mm
1076mm
Fork Offset/Rake
39mm
39mm
39mm
39mm
39mm
Fork Length (Axle-To-Crown)
441mm
441mm
441mm
441mm
441mm
Trail
71.9mm
high
71.9mm
high
71.9mm
high
71.9mm
high
71.9mm
high
Mechanical Trail
68.2mm
68.2mm
68.2mm
68.2mm
68.2mm
Wheel Flop
21.7mm
21.7mm
21.7mm
21.7mm
21.7mm
Standover Height
720mm
751mm
768mm
785mm
825mm
Tire to Pedal Spindle
80.3mm
170 mm cranks
91.2mm
170 mm cranks
103.2mm
170 mm cranks
115.2mm
170 mm cranks
131.2mm
170 mm cranks
Pedal Spindle to Ground Clearance
127.9mm
170 mm cranks
127.9mm
170 mm cranks
127.9mm
170 mm cranks
127.9mm
170 mm cranks
127.9mm
170 mm cranks

Base Build

13.5"
16"
17.5"
19"
20.5"
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
2.3in
2.3in
2.3in
2.3in
2.3in
Tire Width Max
2.3in
2.3in
2.3in
2.3in
2.3in
Tire Outer Diameter
675.8mm
675.8mm
675.8mm
675.8mm
675.8mm
Bike Length with Tires
1700.8mm
1711.8mm
1723.8mm
1735.8mm
1751.8mm

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
Source:Bike Counterculture Geometry Database