1994 Koga Miyata RoadRunner Base

Category
Hybrid
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake
Very aggressive stack and reachvs category

Geometry

50
Stack
475.8mm
Reach
384.1mm
Stack to Reach Ratio
1.24:1
Seat Tube Length, C-T
500mm
Top Tube Length, Effective/Horizontal Center
540mm
Top Tube Length, Actual C-C
540mm
Top Tube Slope
0deg
Head Tube Angle
70deg
Seat Tube Angle
72deg
Bottom Bracket Drop
36mm
Bottom Bracket Height
307mm
Chainstay Length Horizontal
450mm
Front-Center
605.1mm
Front-Center Horizontal
606mm
Wheelbase
1054mm
Fork Offset/Rake
50mm
Trail
71.6mm
high
Mechanical Trail
67.3mm
Wheel Flop
23mm
Tire to Pedal Spindle
92.1mm
170 mm cranks
Pedal Spindle to Ground Clearance
137mm
170 mm cranks

Base Build

50
Wheel Size
700C/29 in
622 mm BSD
Tire Width
32mm
Tire Outer Diameter
686mm
Bike Length with Tires
1740mm

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
Hybrid