2022 Polygon Bikes Helios A7 Base S

Build

700C/29 in × 28 mm

Insights

Average stack and reach vs trend of performance road bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
535.2mm
Reach
380mm
Stack to Reach Ratio
1.41:1
Seat Tube Length, C-T
500mm
Top Tube Length, Effective/Horizontal Center
530.4mm
Top Tube Slope
6deg
Head Tube Angle
72deg
Seat Tube Angle
74.3deg
Head Tube Length
130mm
Bottom Bracket Drop
73mm
Bottom Bracket Height
266mm
Chainstay Length
415mm
Chainstay Length Horizontal
408.5mm
Front-Center
580mm
Front-Center Horizontal
575.4mm
Wheelbase
983.9mm
Fork Offset/Rake
43mm
Trail
65mm
mid/​neutral
Mechanical Trail
61.8mm
Wheel Flop
19.1mm
Standover Height
763.2mm
Tire to Pedal Spindle Distance
With 170 mm cranks
71mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
96mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1661.9mm
Crank Length
170mm
Handlebar Width
400mm
Stem Length
90mm
Stem Angle
6deg
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
162 cm
to
170 cm
Source:https://www.polygonbikes.com/helios-a7/