2013 Soma Fabrications Bart/Lisa Base 40

Build

451mm BSD × 1.13 in

Insights

Somewhat aggressive stack and reach vs trend of kids road bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
421mm
Reach
316mm
Stack to Reach Ratio
1.33:1
Seat Tube Length, C-T
400mm
Top Tube Length, Effective/Horizontal Center
436.7mm
Top Tube Slope
4.9deg
Head Tube Angle
74deg
Seat Tube Angle
74deg
Head Tube Length
126mm
Bottom Bracket Drop
20mm
Bottom Bracket Height
234.2mm
Chainstay Length
348mm
Chainstay Length Horizontal
347.4mm
Front-Center
477mm
Front-Center Horizontal
477.6mm
Wheelbase
825mm
Fork Offset/Rake
44mm
Trail
27.1mm
very low
Mechanical Trail
26.1mm
Wheel Flop
7.2mm
Standover Height
622.4mm
Tire to Pedal Spindle Distance
With 140 mm cranks
82.8mm
Pedal Spindle to Ground Clearance
With 140 mm cranks
94.2mm

Base Build

Wheel Size
451mm BSD
Tire Width
1.13in
Tire Outer Diameter
508.4mm
Bike Length with Tires
1333.4mm
Crank Length
140mm
Handlebar Width
33cm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Rim

Published Sizing Recommendations

Height
4 ft 0 in
to
4 ft 2 in
Source:https://www.somafab.com/archives/product/bart-kids-road-frame-set