2023 Polygon Bikes Helios A7X Base L
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 | 564.7mm |
| Reach | 390mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, C-T | 545mm |
| Top Tube Length, Effective/Horizontal Center | 555.1mm |
| Top Tube Slope | 4.4deg |
| Head Tube Angle | 72.3deg |
| Seat Tube Angle | 73.7deg |
| Head Tube Length | 160mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 271mm |
| Chainstay Length | 415mm |
| Chainstay Length Horizontal | 409.4mm |
| Front-Center | 595.1mm |
| Front-Center Horizontal | 591.2mm |
| Wheelbase | 1000.6mm |
| Fork Offset/Rake | 40.7mm |
| Trail | 65.5mm high |
| Mechanical Trail | 62.4mm |
| Wheel Flop | 19mm |
| Standover Height | 802.5mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 83.6mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 98.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1678.6mm |
| Crank Length | 172.5mm |
| 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 | 178 cm to 186 cm |
Source:https://www.bikesonline.com.au/polygon-helios-a7x