2022 Polygon Bikes Helios A7 Base XS

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
520.2mm
Reach
375mm
Stack to Reach Ratio
1.39:1
Seat Tube Length, C-T
475mm
Top Tube Length, Effective/Horizontal Center
517.3mm
Top Tube Slope
7.1deg
Head Tube Angle
71.8deg
Seat Tube Angle
74.7deg
Head Tube Length
115mm
Bottom Bracket Drop
73mm
Bottom Bracket Height
266mm
Chainstay Length
415mm
Chainstay Length Horizontal
408.5mm
Front-Center
572mm
Front-Center Horizontal
567.3mm
Wheelbase
975.8mm
Fork Offset/Rake
43mm
Trail
66.2mm
high
Mechanical Trail
62.9mm
Wheel Flop
19.6mm
Standover Height
739.4mm
Tire to Pedal Spindle Distance
With 170 mm cranks
63mm
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
1653.8mm
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
154 cm
to
164 cm
Source:https://www.polygonbikes.com/helios-a7/