2021 Kona Bicycle Company Blast Base S

Build

650B/27.5 in × 2.35 in

Insights

Somewhat aggressive stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
585mm
Reach
415mm
Stack to Reach Ratio
1.41:1
Seat Tube Length, C-T
370mm
Top Tube Length, Effective/Horizontal Unknown
572mm
Top Tube Slope
24deg
Head Tube Angle
68deg
Seat Tube Angle
75deg
Head Tube Length
100mm
Bottom Bracket Drop
50mm
Bottom Bracket Height
301.7mm
Chainstay Length
435mm
Chainstay Length Horizontal
432.1mm
Front-Center
678mm
Front-Center Horizontal
676.9mm
Wheelbase
1109mm
Fork Offset/Rake
42mm
Fork Length (Axle-To-Crown)
490mm
Trail
96.8mm
very high
Mechanical Trail
89.8mm
Wheel Flop
33.6mm
Standover Height
710mm
Tire to Pedal Spindle Distance
With 170 mm cranks
156.3mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
131.7mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.35in
Tire Outer Diameter
703.4mm
Bike Length with Tires
1812.4mm
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:https://konaworld.com/blast.cfm