2011 Kona Bicycle Company Blast Base 20"
Build
26 in × 2.1 in
Insights
Average stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Design deviates from other sizes of Kona Bicycle Company Blast
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 619.3mm |
| Reach | 424.8mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, Unknown | 508mm |
| Top Tube Length, Effective/Horizontal HT Top | 635mm |
| Head Tube Angle | 68.5deg |
| Effective Seat Tube Angle, Seat Tube Top | 71.5deg |
| Head Tube Length | 165mm |
| Bottom Bracket Drop | 22.9mm |
| Bottom Bracket Height | 309.9mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 419.4mm |
| Front-Center | 702mm |
| Front-Center Horizontal | 701.6mm |
| Wheelbase | 1121mm |
| Fork Offset/Rake | 39mm |
| Fork Length, Unknown | 473mm |
| Trail | 89.2mm very high |
| Mechanical Trail | 83mm |
| Wheel Flop | 30.4mm |
| Standover Height | 820mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 199.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 139.9mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 2.1in |
| Tire Outer Diameter | 665.7mm |
| Bike Length with Tires | 1786.7mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | N/A |
| Brake Type | Disc |
Source:http://2011.konaworld.com/bike.cfm?content=blast