1997 Heron Bicycles Rally/Road Base 52

Build

700C/29 in × 28 mm

Insights

Very aggressive stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Heron Bicycles Rally/Road

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
499.2mm
Reach
396.8mm
Stack to Reach Ratio
1.26:1
Seat Tube Length, C-T
520mm
Top Tube Length, Effective/Horizontal Center
545mm
Top Tube Length, Actual C-C
545mm
Top Tube Slope
0deg
Head Tube Angle
73deg
Seat Tube Angle
73.5deg
Bottom Bracket Drop
75mm
Bottom Bracket Height
264mm
Chainstay Length
425mm
Chainstay Length Horizontal
418.3mm
Fork Offset/Rake
45mm
Trail
56.6mm
mid/​neutral
Mechanical Trail
54.1mm
Wheel Flop
15.8mm
Tire to Pedal Spindle Distance
With 170 mm cranks
Pedal Spindle to Ground Clearance
With 170 mm cranks
94mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Rim
Source:http://www.heronbicycles.com/geometry.html