2012 Soma Fabrications San Marcos Base 63

Build

700C/29 in × 28 mm

Insights

Very upright stack and reach vs trend of sport touring bikes
Design deviates from other sizes of Soma Fabrications San Marcos

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
679mm
Reach
382mm
Stack to Reach Ratio
1.78:1
Seat Tube Length, C-T
630mm
Top Tube Length, Effective/Horizontal Center
605mm
Top Tube Slope
7.9deg
Head Tube Angle
72.5deg
Seat Tube Angle
72deg
Head Tube Length
257mm
Bottom Bracket Drop
77mm
Bottom Bracket Height
262mm
Chainstay Length
440mm
Chainstay Length Horizontal
433.2mm
Front-Center
623.6mm
Front-Center Horizontal
618.8mm
Wheelbase
1052mm
Fork Offset/Rake
45mm
Fork Length (Axle-To-Crown)
379mm
Trail
59.7mm
mid/​neutral
Mechanical Trail
56.9mm
Wheel Flop
17.1mm
Standover Height
878.8mm
Tire to Pedal Spindle Distance
With 170 mm cranks
114.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
92mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1730mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Rim
Source:http://www.somafab.com/archives/product/san-marcos-frame-set