1998 Principia Gaia Base 57

Build

700C/29 in × 23 mm

Insights

Somewhat upright stack and reach vs trend of performance road bikes
Design deviates from other sizes of Principia Gaia

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
575.9mm
Reach
388.1mm
Stack to Reach Ratio
1.48:1
Seat Tube Length, C-T
600mm
Top Tube Length, Effective/Horizontal Center
559mm
Top Tube Length, Actual C-C
559mm
Top Tube Slope
0deg
Head Tube Angle
73deg
Seat Tube Angle
73.5deg
Head Tube Length
157mm
Bottom Bracket Drop
67mm
Bottom Bracket Height
267mm
Chainstay Length
406mm
Chainstay Length Horizontal
400.4mm
Front-Center
595.4mm
Front-Center Horizontal
591.6mm
Wheelbase
992mm
Trail
Tire to Pedal Spindle Distance
With 170 mm cranks
91.4mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
97mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
23mm
Tire Outer Diameter
668mm
Bike Length with Tires
1660mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Rim

Published Sizing Recommendations

PBH
86 cm
to
89.5 cm
Source:http://www.starbike.com/images/Principia/geo_road.htm