1998 Principia Gaia Base 51

Build

700C/29 in × 23 mm

Insights

Somewhat aggressive 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
519.5mm
Reach
383.1mm
Stack to Reach Ratio
1.36:1
Seat Tube Length, C-T
540mm
Top Tube Length, Effective/Horizontal Center
533mm
Top Tube Length, Actual C-C
533mm
Top Tube Slope
0deg
Head Tube Angle
72.5deg
Seat Tube Angle
74deg
Head Tube Length
98mm
Bottom Bracket Drop
67mm
Bottom Bracket Height
267mm
Chainstay Length
406mm
Chainstay Length Horizontal
400.4mm
Front-Center
582.4mm
Front-Center Horizontal
578.6mm
Wheelbase
979mm
Trail
Tire to Pedal Spindle Distance
With 170 mm cranks
78.4mm
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
1647mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Rim

Published Sizing Recommendations

PBH
77.5 cm
to
82 cm
Source:http://www.starbike.com/images/Principia/geo_road.htm