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 ScaleCategory Trend
CyclocrossSource:http://gunnarbikes.com/site/bikes/hyper-x/