2017 Kona Bicycle Company Unit Base S
Build
650B/27.5 in × 3 in
Insights
Design deviates from other sizes of Kona Bicycle Company Unit
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 573mm |
| Reach | 404mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, C-T | 370mm |
| Top Tube Length, Effective/Horizontal HT Top | 568mm |
| Top Tube Slope | 23.2deg |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 95mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 308.2mm |
| Chainstay Length | 442mm |
| Chainstay Length Max | 442mm |
| Chainstay Length Horizontal | 437.9mm |
| Chainstay Length Horizontal Max | 437.9mm |
| Front-Center | 656.8mm |
| Front-Center Horizontal | 654.1mm |
| Wheelbase | 1092mm |
| Wheelbase Max | 1092mm |
| Fork Offset/Rake | 50mm |
| Fork Length (On-Axis) | 470mm |
| Trail | 87.8mm very high |
| Mechanical Trail | 82mm |
| Wheel Flop | 29.4mm |
| Standover Height | 690mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 118.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 138.2mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 3in |
| Tire Outer Diameter | 736.4mm |
| Bike Length with Tires | 1828.4mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:Bike Counterculture Geometry Database