2023 Polygon Bikes Helios A7X Base M

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
550.4mm
Reach
385mm
Stack to Reach Ratio
1.43:1
Seat Tube Length, C-T
520mm
Top Tube Length, Effective/Horizontal Center
543mm
Top Tube Slope
5.5deg
Head Tube Angle
72.3deg
Seat Tube Angle
74deg
Head Tube Length
145mm
Bottom Bracket Drop
68mm
Bottom Bracket Height
271mm
Chainstay Length
415mm
Chainstay Length Horizontal
409.4mm
Front-Center
585.7mm
Front-Center Horizontal
581.7mm
Wheelbase
991.1mm
Fork Offset/Rake
40.7mm
Trail
65.4mm
high
Mechanical Trail
62.3mm
Wheel Flop
19mm
Standover Height
780.8mm
Tire to Pedal Spindle Distance
With 170 mm cranks
76.7mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
101mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1669.1mm
Crank Length
170mm
Handlebar Width
420mm
Stem Length
110mm
Stem Angle
0deg
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
172 cm
to
180 cm
Source:https://www.bikesonline.com.au/polygon-helios-a7x