1996 Principia LC Base

Category
Triathlon
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Average stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

47cm
50cm
53cm
56cm
59
Stack
464.9mm
494mm
523.3mm
552.4mm
581.6mm
Reach
371mm
383.7mm
397mm
419.8mm
432.8mm
Stack to Reach Ratio
1.25:1
1.29:1
1.32:1
1.32:1
1.34:1
Seat Tube Length, C-C
445mm
475mm
505mm
535mm
565mm
Top Tube Length, Effective/Horizontal Center
490mm
510mm
530mm
560mm
580mm
Top Tube Length, Actual C-C
490mm
510mm
530mm
560mm
580mm
Top Tube Slope
0deg
0deg
0deg
0deg
0deg
Head Tube Angle
71deg
71deg
72deg
72deg
72.5deg
Seat Tube Angle
76deg
76deg
76deg
76deg
76deg
Head Tube Length
98mm
130mm
151mm
173mm
209mm
Bottom Bracket Drop
45.5mm
45.5mm
45.5mm
45.5mm
45.5mm
Bottom Bracket Height
263mm
263mm
263mm
263mm
263mm
Chainstay Length
380mm
380mm
380mm
380mm
380mm
Chainstay Length Horizontal
377.3mm
377.3mm
377.3mm
377.3mm
377.3mm
Front-Center
561.6mm
566.6mm
586.5mm
617.4mm
634.4mm
Front-Center Horizontal
559.7mm
564.7mm
584.7mm
615.7mm
632.7mm
Wheelbase
937mm
942mm
962mm
993mm
1010mm
Fork Offset/Rake
50mm
40mm
40mm
40mm
40mm
Trail
53.3mm
mid/​neutral
63.9mm
mid/​neutral
58.2mm
mid/​neutral
58.2mm
mid/​neutral
55.3mm
mid/​neutral
Mechanical Trail
50.4mm
60.4mm
55.3mm
55.3mm
52.8mm
Wheel Flop
16.4mm
19.7mm
17.1mm
17.1mm
15.9mm
Tire to Pedal Spindle
83.1mm
170 mm cranks
88.1mm
170 mm cranks
108mm
170 mm cranks
138.9mm
170 mm cranks
155.9mm
170 mm cranks
Pedal Spindle to Ground Clearance
93mm
170 mm cranks
93mm
170 mm cranks
93mm
170 mm cranks
93mm
170 mm cranks
93mm
170 mm cranks

Base Build

47cm
50cm
53cm
56cm
59
Wheel Size
650C
571 mm BSD
650C
571 mm BSD
650C
571 mm BSD
650C
571 mm BSD
650C
571 mm BSD
Tire Width
23mm
23mm
23mm
23mm
23mm
Tire Outer Diameter
617mm
617mm
617mm
617mm
617mm
Bike Length with Tires
1554mm
1559mm
1579mm
1610mm
1627mm

Published Sizing Recommendations

PBH
—
76 cm
to
80 cm
81 cm
to
85 cm
86 cm
to
90 cm
91 cm
to

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Triathlon