2017 Gunnar Cycles USA Hyper-X Base
- Category
- Cyclocross
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Features
- Disc brake
Somewhat upright 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 |
Geometry
48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | |
Stack | 553mm | 551mm | 555mm | 570mm | 589mm | 608mm | 627mm | 646mm |
Reach | 373mm | 376mm | 382mm | 390mm | 389mm | 389mm | 393mm | 397mm |
Stack to Reach Ratio | 1.48:1 | 1.47:1 | 1.45:1 | 1.46:1 | 1.51:1 | 1.56:1 | 1.6:1 | 1.63:1 |
Seat Tube Length, C-T | 480mm | 500mm | 520mm | 540mm | 560mm | 580mm | 600mm | 620mm |
Top Tube Length, Effective/Horizontal HT Top | 525mm | 530mm | 540mm | 555mm | 565mm | 575mm | 585mm | 595mm |
Top Tube Slope | 10.2deg | 7.7deg | 5.9deg | 5.4deg | 5.4deg | 5.5deg | 5.4deg | 5.3deg |
Head Tube Angle | 71deg | 71deg | 71deg | 72.5deg | 72.5deg | 72.5deg | 72.5deg | 72.5deg |
Seat Tube Angle | 75.5deg | 75deg | 74.5deg | 74deg | 73.5deg | 73deg | 73deg | 73deg |
Head Tube Length | 117mm | 115mm | 120mm | 130mm | 149mm | 169mm | 189mm | 209mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 279mm | 279mm | 279mm | 279mm | 279mm | 279mm | 279mm | 279mm |
Chainstay Length | 425mm | 425mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Max | 425mm | 425mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 419.2mm | 419.2mm | 424.3mm | 424.3mm | 424.3mm | 424.3mm | 424.3mm | 424.3mm |
Chainstay Length Horizontal Max | 419.2mm | 419.2mm | 424.3mm | 424.3mm | 424.3mm | 424.3mm | 424.3mm | 424.3mm |
Front-Center | 593mm | 594.9mm | 601.8mm | 599.8mm | 605.8mm | 610.8mm | 620.7mm | 631.6mm |
Front-Center Horizontal | 588.8mm | 590.8mm | 597.7mm | 595.7mm | 601.7mm | 606.7mm | 616.7mm | 627.7mm |
Wheelbase | 1008mm | 1010mm | 1022mm | 1020mm | 1026mm | 1031mm | 1041mm | 1052mm |
Wheelbase Max | 1008mm | 1010mm | 1022mm | 1020mm | 1026mm | 1031mm | 1041mm | 1052mm |
Fork Offset/Rake | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm |
Fork Length (Axle-To-Crown) | 395mm | 395mm | 395mm | 395mm | 395mm | 395mm | 395mm | 395mm |
Trail | 70.5mm high | 70.5mm high | 70.5mm high | 60.8mm mid/​neutral | 60.8mm mid/​neutral | 60.8mm mid/​neutral | 60.8mm mid/​neutral | 60.8mm mid/​neutral |
Mechanical Trail | 66.6mm | 66.6mm | 66.6mm | 58mm | 58mm | 58mm | 58mm | 58mm |
Wheel Flop | 21.7mm | 21.7mm | 21.7mm | 17.4mm | 17.4mm | 17.4mm | 17.4mm | 17.4mm |
Standover Height | 755mm | 764mm | 775mm | 792mm | 810mm | 829mm | 848mm | 867mm |
Tire to Pedal Spindle | 74mm 170 mm cranks | 75.9mm 170 mm cranks | 82.8mm 170 mm cranks | 80.8mm 170 mm cranks | 86.8mm 170 mm cranks | 91.8mm 170 mm cranks | 101.7mm 170 mm cranks | 112.6mm 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 |
Base Build
48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | |
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 |
Tire Width | 38mm | 38mm | 38mm | 38mm | 38mm | 38mm | 38mm | 38mm |
Tire Width Max | 38mm | 38mm | 38mm | 38mm | 38mm | 38mm | 38mm | 38mm |
Tire Outer Diameter | 698mm | 698mm | 698mm | 698mm | 698mm | 698mm | 698mm | 698mm |
Bike Length with Tires | 1706mm | 1708mm | 1720mm | 1718mm | 1724mm | 1729mm | 1739mm | 1750mm |
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:Bike Counterculture Geometry Database