2017 Gunnar Cycles USA Hyper-X Base 58
Build
700C/29 in × 38 mm
Insights
Somewhat upright stack and reach vs trend of cyclocross bikes
Design deviates from other sizes of Gunnar Cycles USA Hyper-X
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 608mm |
| Reach | 389mm |
| Stack to Reach Ratio | 1.56:1 |
| Seat Tube Length, C-T | 580mm |
| Top Tube Length, Effective/Horizontal HT Top | 575mm |
| Top Tube Slope | 5.5deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 169mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 279mm |
| Chainstay Length | 430mm |
| Chainstay Length Max | 430mm |
| Chainstay Length Horizontal | 424.3mm |
| Chainstay Length Horizontal Max | 424.3mm |
| Front-Center | 610.8mm |
| Front-Center Horizontal | 606.7mm |
| Wheelbase | 1031mm |
| Wheelbase Max | 1031mm |
| Fork Offset/Rake | 47mm |
| Fork Length (Axle-To-Crown) | 395mm |
| Trail | 60.8mm mid/neutral |
| Mechanical Trail | 58mm |
| Wheel Flop | 17.4mm |
| Standover Height | 829mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 91.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 109mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 38mm |
| Tire Outer Diameter | 698mm |
| Bike Length with Tires | 1729mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:Bike Counterculture Geometry Database