2024 Soma Fabrications Rufus Base Small

Build

20 in (406) × 1.95 in

Insights

Very aggressive stack and reach vs trend of mini-velo/folding bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
437mm
Reach
388mm
Stack to Reach Ratio
1.13:1
Seat Tube Length, C-T
380mm
Top Tube Length, Effective/Horizontal Center
530mm
Top Tube Slope
8.5deg
Head Tube Angle
73deg
Seat Tube Angle
72deg
Head Tube Length
160mm
Bottom Bracket Drop
-30mm
Bottom Bracket Height
282.5mm
Chainstay Length
420mm
Chainstay Length Horizontal
418.9mm
Front-Center
556.9mm
Front-Center Horizontal
556.1mm
Wheelbase
975mm
Fork Offset/Rake
28mm
Fork Length (Axle-To-Crown)
320mm
Trail
47.9mm
mid/​neutral
Mechanical Trail
45.8mm
Wheel Flop
13.4mm
Standover Height
654mm
Tire to Pedal Spindle Distance
With 170 mm cranks
134.4mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
112.5mm

Base Build

Wheel Size
20 inch (406 BSD, BMX/Kids) (406mm BSD)
Tire Width
1.95in
Tire Outer Diameter
505.1mm
Bike Length with Tires
1480.1mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc

Published Sizing Recommendations

Height
4 ft 11 in
to
5 ft 7 in
Source:https://www.somafab.com/archives/product/soma-rufus-mini-velo