2019 Koski Bros. Bro Bomber Frameset 16.5

Build

650B/27.5 in × 2.8 in

Insights

Very aggressive stack and reach vs trend of rigid mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
549mm
Reach
452mm
Stack to Reach Ratio
1.21:1
Seat Tube Length, C-T
419mm
Top Tube Length, Effective/Horizontal Unknown
610mm
Top Tube Slope
14.5deg
Head Tube Angle
67deg
Seat Tube Angle
74deg
Head Tube Length
105mm
Bottom Bracket Drop
50mm
Bottom Bracket Height
313.1mm
Chainstay Length
432mm
Chainstay Length Horizontal
429.1mm
Front-Center
722mm
Front-Center Horizontal
712.9mm
Wheelbase
1142mm
Fork Offset/Rake
45.2mm
Fork Length, Unknown
465mm
Trail
105mm
very high
Mechanical Trail
96.7mm
Wheel Flop
37.8mm
Tire to Pedal Spindle Distance
With 170 mm cranks
188.9mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
143.1mm

Frameset Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.8in
Tire Outer Diameter
726.2mm
Bike Length with Tires
1868.2mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Features
Single-speed capable
Source:https://www.somafabshop.com/shop/product/koski-bros-frameset-bro-bomber-white-2219