Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 700c -
Groupset 105 -
Suspension Rigid -
Drivetrain 2 × 11 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XXS
144cm - 155cm
XS
153cm - 164cm
SM
162cm - 170cm
MD
168cm - 176cm
LG
174cm - 182cm
XL
179cm - 187cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
carbon
Suspension Fork
ACX PERFORMANCE UCI APPROVED, TAPER 1-1/8" TO 1-1/2"
Rear Shock
-
Drivetrain
Rear Derailleur
SHIMANO 105 RD-R7000-SS DIRECT ATTACH
Front Derailleur
Shimano 105 FD-R7000, Braze-On
Shift Levers
SHIMANO 105 ST-R7020, 2x11-SPEED DCL
Cassette
SHIMANO 105 CS-R7000-11 11-30T
Crank
SHIMANO 105 FC-R7000 52/36T, CRANK ARM: 170mm (XS, S, M) / 172.5mm (L, XL)
Bottom Bracket
SHIMANO BB-RS500-PB
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
R: STAINLESS STRAIGHT PULL BUTTED NDS:279mm DS:277mm
Tires
SCHWALBE ONE ADDIX 700x28C
Brakes
Brakes
SHIMANO 105 BR-R7070 FLAT
Brake Levers
SHIMANO 105 ST-R7020
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
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
Geometry
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 |
| 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 |
Model Overview
HELIOS A7 is a Polygon Helios model. There are 33 bikes that carry this model name. Take a sneak peek at all Polygon Helios bikes models from 2023, by clicking here.
Model range prices
The most economical model, the Polygon HELIOS A7 2023 has a starting price of 2799$. Polygon HELIOS A9X C60 POWERMETER 2023 on the other hand is the most expensive at 7499$.
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 math, the average price for a trustworthy Race bike is 3350$. However, this doesn’t mean that if you spend less money on a Race bike, you couldn’t get a decent one. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Furthermore, this bike was made available in 2023 for 2799$. If we compare this with the average Race bike cost we notice that the price is 19.69% lower.
HELIOS A7 components
Fork material
HELIOS A7 has a carbon fork, 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
When it comes to wheels, the HELIOS A7 bike is equipped with the 700c carbon model. There is no doubt, that 700c wheels are very popular on all road bike models. 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 A7 has Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, you can ride your bike with confidence.
Sizes
Polygon HELIOS A7 bike has 6 sizes, in the range of 144 cm – 187 cm (4.72 ft – 6.14 ft). In conclusion, it won’t take much to find one that’s right for you.