Polygon HELIOS A8 2023
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
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Suspension Rigid
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Drivetrain 2 × 11
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Brakes Hydraulic Disc
Recommended size guide.
XXS
144cm - 155cm
XS
153cm - 164cm
SM
162cm - 170cm
MD
168cm - 176cm
LG
174cm - 182cm
XL
179cm - 187cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
carbon
Suspension Fork
ACX PERFORMANCE UCI APPROVED, TAPER 1-1/8" TO 1-1/2"
Drivetrain
Rear Derailleur
SHIMANO ULTEGRA RD-R8000-GS
Front Derailleur
Shimano Ultegra FD-R8100, Braze-On
Shift Levers
SHIMANO ULTEGRA ST-R8020, 2x11-SPEED DCL
Cassette
SHIMANO ULTEGRA CS-R8000-11 11-34T
Crank
SHIMANO ULTEGRA FC-R8000 52/36T, CRANK ARM: 170mm (XS, S, M) / 172.5mm (L, XL)
Bottom Bracket
SHIMANO BB-RS500-PB, PRESSFIT BB86
Chain
SHIMANO CN-HG601-11
Pedals
-
Wheels
Front Hub
F: ALLOY THRU AXLE 12x100mm 24H SEALED BEARINGS CENTER LOCK / R: ALLOY THRU AXLE 12x142mm 24H SEALED BEARINGS CENTER LOCK
Rear Hub
F: ALLOY THRU AXLE 12x100mm 24H SEALED BEARINGS CENTER LOCK / R: ALLOY THRU AXLE 12x142mm 24H SEALED BEARINGS CENTER LOCK
Rims
CARBON 622-19 24H FOR TYRE 622-28/62 DISC TUBELESS READY
Spokes
Front: NDS: 279mm DS: 277mm, Rear: NDS: 279mm DS: 277mm
Tires
SCHWALBE ONE ADDIX TLE 700x28C
Brakes
Brakes
SHIMANO ULTEGRA BR-R8070 FLAT
Brake Levers
SHIMANO ULTEGRA ST-R8020
Cockpit
Stem
FSA NS SMR, 90mm Length (XS-S), 100mm Length (M-L), 110mm Length (XL), 6-Degree
Handlebar
FSA ENERGY COMPACT, W: 400mm (XS, S) / 420mm (M, L) / 440mm (XL), BB: 31.8mm, R/D: 123.2mm, B/R: 78mm
Headset
INTEGRATED (IS) SEALED BEARING FOR OS HEAD TUBE, IS 52/28.6 | IS 52/40
Seat
Saddle
ENTITY FLUX2, CR-MO ø 7mm
Seatpost
CARBON, AERO 35 x 337mm (XS) / 357mm (S, M, L, XL)
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 | 714 mm | 738 mm | 762 mm | 779 mm | 801 mm | 823 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 144 cm | 153 cm | 162 cm | 168 cm | 174 cm | 179 cm |
| Rider Max Height | 155 cm | 164 cm | 170 cm | 176 cm | 182 cm | 187 cm |
About this model
HELIOS A8 is part of the Polygon Helios model. 33 bikes variations carry this model name so far. You can get a glimpse at all models from 2023, by clicking on this link.
Model range prices
Polygon HELIOS A7 2023 is the most economical model, with a starting price of 2799$. Polygon HELIOS A9X C60 POWERMETER 2023 on the other hand costs 7499$, and is the most expensive model.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Race bikes average price
According to our calculations, the average cost of a Race bike that is reliable is 3350$. However, this doesn’t mean that if you spend less money on a Race bike, you couldn’t get a decent one. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
At the moment of the release date, Polygon HELIOS A8 price was 3299$. In conclusion, this bike price is 1.55% lower than the price of the average Race bike.
Average weight for Race bikes
Race bikes weigh an average of 6.82 kg (15.04 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.
HELIOS A8 weighs 8.3 kg (18.3 lbs) and is much heavier than the average. To sum up, it’s 21.7% heavier than the average weight of Race bikes.
HELIOS A8 components
Fork material
The fork is made out of carbon, so, its weight is considerably lighter than one made out of steel. However, they cost a bit more than steel forks.
Wheels size
The HELIOS A8 2023 bike is equipped with 700c carbon wheels when leaving the factory. These wheels are the most used kind for road bikes in general. However, these wheels don’t perform so well when passing over obstacles.
Brakes
Nothing is more important on a bike than its ability to brake properly. Polygon HELIOS A8 is equipped with Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.
Sizes
Polygon HELIOS A8 bike has 6 sizes, in the range of 144 cm – 187 cm (4.72 ft – 6.14 ft). In conclusion, you won’t have a problem finding one that suits you.
