1985 Panasonic DX 4000

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake
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
Very upright stack and reachvs category

Geometry

51
53
56
58
61
64
Stack
523.4mm
542.8mm
571.8mm
591.1mm
620mm
648.9mm
Reach
378.2mm
383.1mm
385.4mm
390.1mm
392.2mm
393.9mm
Stack to Reach Ratio
1.38:1
1.42:1
1.48:1
1.52:1
1.58:1
1.65:1
Seat Tube Length, C-C
510mm
530mm
560mm
580mm
610mm
640mm
Top Tube Length, Effective/Horizontal Center
530mm
540mm
550mm
560mm
570mm
580mm
Top Tube Length, Actual C-C
530mm
540mm
550mm
560mm
570mm
580mm
Top Tube Slope
0deg
0deg
0deg
0deg
0deg
0deg
Head Tube Angle
71.3deg
72deg
73deg
73.3deg
74deg
74deg
Seat Tube Angle
74deg
74deg
74deg
74deg
74deg
74deg
Bottom Bracket Drop
69.3mm
72.7mm
72.7mm
69.5mm
73.1mm
69.9mm
Bottom Bracket Height
266.7mm
263.3mm
263.3mm
266.5mm
262.9mm
266.2mm
Chainstay Length
410mm
410mm
410mm
410mm
410mm
410mm
Chainstay Length Horizontal
404.1mm
403.5mm
403.5mm
404.1mm
403.4mm
404mm
Front-Center
586mm
588mm
590mm
595mm
606mm
611mm
Front-Center Horizontal
581.9mm
583.5mm
585.5mm
590.9mm
601.6mm
607mm
Wheelbase
986mm
987mm
989mm
995mm
1005mm
1011mm
Trail
Mechanical Trail
Wheel Flop
Tire to Pedal Spindle
80mm
170 mm cranks
82mm
170 mm cranks
84mm
170 mm cranks
89mm
170 mm cranks
100mm
170 mm cranks
105mm
170 mm cranks
Pedal Spindle to Ground Clearance
96.7mm
170 mm cranks
93.3mm
170 mm cranks
93.3mm
170 mm cranks
96.5mm
170 mm cranks
92.9mm
170 mm cranks
96.2mm
170 mm cranks

4000 Build

51
53
56
58
61
64
Wheel Size
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
Tire Width
25mm
25mm
25mm
25mm
25mm
25mm
Tire Outer Diameter
672mm
672mm
672mm
672mm
672mm
672mm
Bike Length with Tires
1658mm
1659mm
1661mm
1667mm
1677mm
1683mm

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
Performance Road
Source:https://i1.wp.com/www.panasonicbikemuseum.info/wp-content/uploads/1985cat07.jpg?fit=1216%2C1600&ssl=1