Polygon Helios A8X 2024
Bike details
Key information split into simple groups.
Bike summary
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Frame Carbon
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Wheels 700c
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Groupset Ultegra Di2
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Suspension Rigid
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Drivetrain 2 × 12 Electronic
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Brakes Hydraulic Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
ACX Performance UCI Approved, Internal Cable Routing, Shimano SM-BB92-41B Press Fit Bottom Bracket, 12x142mm Thru-Axle, Flat Mount Disc
Suspension Fork
ACX Performance UCI Approved, 12x100mm Thru-Axle, Flat Mount Disc
Drivetrain
Rear Derailleur
Shimano Ultegra Di2 RD-R8150, 12-Speed
Front Derailleur
Shimano Ultegra Di2 FD-R8150, Braze-On
Shift Levers
Shimano Ultegra Di2 ST-R8170, 12-Speed
Cassette
Shimano Ultegra CS-R8100, 12-Speed, 11-34T
Crank
Shimano Ultegra FC-R8100, HollowTech 2, 12-Speed, XS-M: 170mm, L-XL: 172.5mm
Bottom Bracket
BB86/BB92, press-fit
Chain
Shimano CN-M8100, 12-Speed
Wheels
Rims
Front: Entity WR5 Carbon Disc, 769g, 21mm Internal Width, 50mm Depth, Entity D791SB-12 Hub, 24H, Stainless Straight Pull Butte Spokes, Tubeless Tape Installed, Rear: Entity WR5 Carbon Disc, 900g, 21mm Internal Width, 50mm Depth, Novatec D792SB-X12 Hub, 24H, Stainless Straight Pull Butte Spokes, Tubeless Tape Installed
Tires
Front: Schwalbe One Addix TLE, 700x28C, Rear: Schwalbe One Addix TLE, 700x28C
Brakes
Brakes
Front: Shimano Ultegra BR-R8170, Hydraulic Disc, 160mm Center Lock, Rear: Shimano Ultegra BR-R8170, Hydraulic Disc, 160mm Center Lock
Cockpit
Stem
Vision Metron 5D ACR Integrated, 100mm Length (XS-S), 110mm Length (M-L), 120mm Length (XL), 6-Degree
Handlebar
Vision Metron 5D ACR Integrated, 400mm Width (XS-S), 420mm Width (M-L), 420mm (XL), 80mm Reach, 125mm Drop
Seat
Saddle
Entity Flux2
Seatpost
Polygon Carbon Aero Seatpost, 35x337mm (XS), 357mm (S-XL), 20mm Adjustable Offset
Fit data
Numbers for sizing and ride feel.
| Size | XXS | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.37 mm | 1.39 mm | 1.41 mm | 1.43 mm | 1.45 mm | 1.47 mm |
| Bottom Bracket Height | 271 mm | 271 mm | 271 mm | 271 mm | 271 mm | 271 mm |
| Front Center | 565 mm | 572 mm | 580 mm | 587 mm | 597 mm | 602 mm |
| Rake | 43 mm | 43 mm | 43 mm | 43 mm | 43 mm | 43 mm |
| Trail | 67 mm | 65 mm | 64 mm | 62 mm | 62 mm | 59 mm |
| Stack | 504 mm | 519.21 mm | 534.2 mm | 549.4 mm | 563.7 mm | 579.8 mm |
| Reach | 369 mm | 374 mm | 379 mm | 384 mm | 389 mm | 394 mm |
| Top Tube Length | 504.31 mm | 516.31 mm | 529.42 mm | 542.04 mm | 554.14 mm | 568.25 mm |
| Seat Tube Angle | 75 ° | 74.7 ° | 74.3 ° | 74 ° | 73.7 ° | 73.3 ° |
| Seat Tube Length | 450 mm | 475 mm | 500 mm | 520 mm | 545 mm | 570 mm |
| Head Tube Angle | 71.5 ° | 71.8 ° | 72 ° | 72.3 ° | 72.3 ° | 72.8 ° |
| Head Tube Length | 100 mm | 115 mm | 130 mm | 145 mm | 160 mm | 175 mm |
| Chainstay Length | 414 mm | 414 mm | 414 mm | 414 mm | 414 mm | 414 mm |
| Wheelbase | 967 mm | 974 mm | 982 mm | 990 mm | 999 mm | 1004 mm |
| Bottom Bracket Drop | 73 mm | 73 mm | 73 mm | 73 mm | 73 mm | 73 mm |
| Standover Height | 715 mm | 738 mm | 762 mm | 779 mm | 801 mm | 823 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
Model Overview
Helios A8X belongs to the Polygon Helios model. There are 33 bikes that carry this model name. You can easily view all of the Polygon Helios bikes models from 2024, here.
Model range prices
Polygon Helios A7X 2024 is the cheapest bike model and costs 3184$. Polygon Helios A9X 2024 is the most expensive one and costs 5094$.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Race bikes average price
If you want to purchase a solid Race bike, it is important to know that the average cost is 3350$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Race bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
When Polygon released this model in 2024, its price was 3821$. In conclusion, this bike price is 14.06% more expensive than the price of the average Race bike.
Race bikes average weight
On a deeper look, we notice that the average weight of a Race bike is 6.72 kg (14.82 lbs). Having an easier bike than average will give you a great advantage on climbs. However, a heavier bike will gain more speed on descends.
Weighing 7.9 kg (17.42 lbs), the Helios A8X model is much heavier than average. In other words, this model is 17.56% heavier than the average Race bike.
Internal Cable Routing
Moreover, this bike comes with internal cable routing allowing you to keep the cables in a good condition. It also makes it look more professional.
Helios A8X components
Fork material
The fork on this bike is made out of carbon, so, it’s a great addition to the bike’s value. However, carbon forks should be regularly inspected for damage because even the smallest crack could cause the fork to fall apart.
Wheels size
When leaving the production line, the Helios A8X model has 700c carbon wheels. These wheels are the most used kind for road bikes in general. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
When you want to stop the bike in time, the brakes are vital. The Helios A8X has Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, these are ideal for anyone.
