2021 Gunnar Cycles USA Hyper-X Base

Category
Cyclocross
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Features
Disc brake, Single-speed capable, Frame couplers
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category

Geometry

48cm
50cm
52cm
54cm
56cm
58cm
60cm
62cm
64cm
66cm
68cm
Stack
548mm
550mm
555mm
570mm
589mm
608mm
627mm
646mm
665mm
684mm
706mm
Reach
377mm
377mm
382mm
390mm
389mm
389mm
393mm
397mm
401mm
399mm
403mm
Stack to Reach Ratio
1.45:1
1.46:1
1.45:1
1.46:1
1.51:1
1.56:1
1.6:1
1.63:1
1.66:1
1.71:1
1.75:1
Seat Tube Length, Unknown
480mm
500mm
520mm
540mm
560mm
580mm
600mm
620mm
640mm
660mm
680mm
Top Tube Length, Effective/Horizontal Unknown
525mm
530mm
540mm
555mm
565mm
575mm
585mm
595mm
605mm
615mm
625mm
Top Tube Slope
11deg
6deg
4.3deg
3.9deg
3.9deg
3.9deg
3.9deg
3.8deg
3.8deg
3.9deg
4.1deg
Head Tube Angle
71deg
71deg
71deg
72.5deg
72.5deg
72.5deg
72.5deg
72.5deg
72.5deg
72.5deg
73deg
Seat Tube Angle
75.5deg
75deg
74.5deg
74deg
73.5deg
73deg
73deg
73deg
73deg
72.5deg
72.5deg
Head Tube Length
113mm
115mm
120mm
130mm
149mm
169mm
189mm
209mm
230mm
250mm
250mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
279mm
279mm
279mm
279mm
279mm
279mm
279mm
279mm
279mm
279mm
279mm
Chainstay Length
430mm
430mm
430mm
430mm
430mm
430mm
430mm
430mm
430mm
430mm
430mm
Chainstay Length Horizontal
424.3mm
424.3mm
424.3mm
424.3mm
424.3mm
424.3mm
424.3mm
424.3mm
424.3mm
424.3mm
424.3mm
Front-Center
598mm
598mm
602mm
600mm
606mm
611mm
621mm
631mm
641mm
646mm
648mm
Front-Center Horizontal
593.7mm
593.7mm
597.7mm
595.7mm
601.7mm
606.7mm
616.7mm
627.7mm
637.7mm
641.7mm
643.7mm
Wheelbase
1018mm
1018mm
1022mm
1020mm
1026mm
1031mm
1041mm
1052mm
1062mm
1066mm
1068mm
Fork Offset/Rake
50mm
50mm
47mm
47mm
47mm
47mm
47mm
47mm
47mm
47mm
45mm
Fork Length, Unknown
395mm
395mm
395mm
395mm
395mm
395mm
395mm
395mm
395mm
395mm
415mm
Trail
67.3mm
high
67.3mm
high
70.5mm
high
60.8mm
mid/​neutral
60.8mm
mid/​neutral
60.8mm
mid/​neutral
60.8mm
mid/​neutral
60.8mm
mid/​neutral
60.8mm
mid/​neutral
60.8mm
mid/​neutral
59.6mm
mid/​neutral
Mechanical Trail
63.6mm
63.6mm
66.6mm
58mm
58mm
58mm
58mm
58mm
58mm
58mm
57mm
Wheel Flop
20.7mm
20.7mm
21.7mm
17.4mm
17.4mm
17.4mm
17.4mm
17.4mm
17.4mm
17.4mm
16.7mm
Tire to Pedal Spindle
79mm
170 mm cranks
79mm
170 mm cranks
83mm
170 mm cranks
81mm
170 mm cranks
87mm
170 mm cranks
92mm
170 mm cranks
102mm
170 mm cranks
112mm
170 mm cranks
122mm
170 mm cranks
127mm
170 mm cranks
129mm
170 mm cranks
Pedal Spindle to Ground Clearance
109mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks

Base Build

48cm
50cm
52cm
54cm
56cm
58cm
60cm
62cm
64cm
66cm
68cm
Wheel Size
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
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
700C/29 in
622 mm BSD
Tire Width
38mm
38mm
38mm
38mm
38mm
38mm
38mm
38mm
38mm
38mm
38mm
Tire Outer Diameter
698mm
698mm
698mm
698mm
698mm
698mm
698mm
698mm
698mm
698mm
698mm
Bike Length with Tires
1716mm
1716mm
1720mm
1718mm
1724mm
1729mm
1739mm
1750mm
1760mm
1764mm
1766mm

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
Cyclocross
Source:http://gunnarbikes.com/site/bikes/hyper-x/