2011 Kona Bicycle Company Blast Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Suspension
100mm fork travel
Features
Disc brake
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

14"
16"
17"
18"
19"
20"
22"
Stack
565.5mm
584.3mm
586.6mm
605.4mm
619.4mm
619.3mm
633.4mm
Reach
378.5mm
397mm
408.6mm
418.6mm
415.1mm
424.8mm
441.3mm
Stack to Reach Ratio
1.49:1
1.47:1
1.44:1
1.45:1
1.49:1
1.46:1
1.44:1
Seat Tube Length, Unknown
355.6mm
406.4mm
431.8mm
457.2mm
482.6mm
508mm
558.8mm
Top Tube Length, Effective/Horizontal HT Top
559mm
584mm
597mm
610mm
622mm
635mm
660mm
Head Tube Angle
68deg
68deg
68.5deg
68.5deg
68.5deg
68.5deg
68.5deg
Effective Seat Tube Angle, Seat Tube Top
72.5deg
72.5deg
72.5deg
72.5deg
71.5deg
71.5deg
71deg
Head Tube Length
100mm
120mm
130mm
140mm
155mm
165mm
180mm
Bottom Bracket Drop
31.8mm
32.1mm
22.7mm
32.3mm
32.3mm
22.9mm
23.1mm
Bottom Bracket Height
301mm
300.8mm
310.1mm
300.6mm
300.6mm
309.9mm
309.8mm
Chainstay Length
420mm
420mm
420mm
420mm
420mm
420mm
420mm
Chainstay Length Horizontal
418.8mm
418.8mm
419.4mm
418.8mm
418.8mm
419.4mm
419.4mm
Front-Center
637mm
663mm
673mm
687mm
689mm
702mm
724mm
Front-Center Horizontal
636.2mm
662.2mm
672.6mm
686.2mm
688.2mm
701.6mm
723.6mm
Wheelbase
1055mm
1081mm
1092mm
1105mm
1107mm
1121mm
1143mm
Fork Offset/Rake
39mm
39mm
39mm
39mm
39mm
39mm
39mm
Fork Length, Unknown
473mm
473mm
473mm
473mm
473mm
473mm
473mm
Trail
92.4mm
very high
92.4mm
very high
89.2mm
very high
89.2mm
very high
89.2mm
very high
89.2mm
very high
89.2mm
very high
Mechanical Trail
85.7mm
85.7mm
83mm
83mm
83mm
83mm
83mm
Wheel Flop
32.1mm
32.1mm
30.4mm
30.4mm
30.4mm
30.4mm
30.4mm
Standover Height
730mm
752mm
769mm
785mm
805mm
820mm
853mm
Tire to Pedal Spindle
134.2mm
170 mm cranks
160.2mm
170 mm cranks
170.2mm
170 mm cranks
184.2mm
170 mm cranks
186.2mm
170 mm cranks
199.2mm
170 mm cranks
221.2mm
170 mm cranks
Pedal Spindle to Ground Clearance
131mm
170 mm cranks
130.8mm
170 mm cranks
140.1mm
170 mm cranks
130.6mm
170 mm cranks
130.6mm
170 mm cranks
139.9mm
170 mm cranks
139.8mm
170 mm cranks

Base Build

14"
16"
17"
18"
19"
20"
22"
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
2.1in
2.1in
2.1in
2.1in
2.1in
2.1in
2.1in
Tire Outer Diameter
665.7mm
665.7mm
665.7mm
665.7mm
665.7mm
665.7mm
665.7mm
Bike Length with Tires
1720.7mm
1746.7mm
1757.7mm
1770.7mm
1772.7mm
1786.7mm
1808.7mm

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 Scale
Source:http://2011.konaworld.com/bike.cfm?content=blast