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Polygon Helios A7X - 105 Di2 Carbon Road Bike
Polygon Helios A7X - 105 Di2 Carbon Road Bike
Polygon Helios A7X - 105 Di2 Carbon Road Bike
Polygon Helios A7X - 105 Di2 Carbon Road Bike
Polygon Helios A7X - 105 Di2 Carbon Road Bike
Polygon Helios A7X - 105 Di2 Carbon Road Bike
Polygon Helios A7X - 105 Di2 Carbon Road Bike
Polygon Helios A7X - 105 Di2 Carbon Road Bike
Polygon Helios A7X - 105 Di2 Carbon Road Bike
Polygon Helios A7X - 105 Di2 Carbon Road Bike
Polygon Helios A7X - 105 Di2 Carbon Road Bike
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Description

PERFORMANCE AERO

The Polygon Helios A7X is a UCI-approved carbon aero race bike weighing just 8.1kg, this machine is engineered for speed and performance. Whether you’re an aspiring racer chasing the podium or seeking an aerodynamic lightweight ride, the Helios A7X delivers the speed and agility you need to beat PRs and the competition.

LOOKS FAST, FEELS FASTER

The Helios A7X ACX carbon frame, weighing a mere 800g, is meticulously designed for aerodynamic efficiency, boasting a 31% reduction in drag over the previous generation. Wider clearance for 28c tyres enhances comfort without sacrificing speed, while reinforcements in the bottom bracket, chainstay, and thru-axles ensure that every watt of your effort translates into pure speed on the road.

A TRUSTED BRAND

Polygon boasts over 30 years of experience and is known for offering high-performance bikes at competitive prices. Polygon road bikes have led to numerous national titles and even a victory at the 2023 Tour De Taiwan. With a 5-year warranty, you can trust Polygon to deliver from the factory to the track.

INDUSTRY REVIEWS

Incredible value, well-mannered ride, quick yet balanced handling, Shimano 105 Di2 group, did I mention the incredible value?” - Escape Collective

SHIMANO 105 Di2 GROUPSET

Lightning-fast electronic gear changes, a wider 2x12 drivetrain with 11-34T cassette, and versatile 52/36T chainrings make conquering any terrain a breeze. Enjoy pro-level performance at an accessible price.

CARBON WHEELS

Suited to undulating terrain, the Entity WR5 50mm carbon wheels offer a fast yet comfortable riding experience and come wrapped in Schwalbe ONE 28mm TLE/race-ready tyres.

INTEGRATED

The fully integrated BLKTEC R8 cockpit strikes the perfect balance between simplicity and aero engineering. It features a removable cover, making maintenance a breeze.

Components

FRAMESET
FRAME
ACX Performance UCI Approved, Internal Cable Routing, Shimano BB-RS500 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 105 Di2 RD-R7150, 12-Speed
FRONT DERAILLEUR
Shimano 105 Di2 RD-R7150, Braze-On
SHIFTER
Shimano 105 Di2 ST-R7170, 12-Speed
CRANK
Shimano 105 FC-7100, HollowTech 2, 12-Speed, XXS-M:170mm, L-XL:172.5mm
CHAINRING
52/36T
CASSETTE
Shimano 105 CS-R7100, 12-Speed, 11-34T
CHAIN
KMC X12, 12-Speed
BRAKES
FRONT BRAKE
Shimano 105 BR-R7170, Hydraulic Disc, 160mm Center Lock
REAR BRAKE
Shimano 105 BR-R7170, Hydraulic Disc, 140mm Center Lock
WHEELS
REAR HUB
Entity WR5 Carbon Disc, 900g, 21mm Internal Width, 50mm Depth, Novatec D792SB-X12 Hub, 24H, Stainless Straight Pull Butte Spokes, Tubeless Tape Installed
TYRE
Schwalbe One Addix TLE, 700x28C
INNER TUBE
80mm Presta Valve
CONTACT POINTS
HANDLEBAR
BLKTEC R8 Integrated, 400mm Width (XXS-S), 420mm Width (M-XL)
SADDLE
Entity Flux2
SEATPOST
Polygon Carbon Aero Seatpost, 35x306mm (XXS), 337mm (XS), 357mm (S-XL), 20mm Adjustable Offset
STEM
BLKTR8 Integrated, 100mm Length (XXS-S), 110mm Length (M-L), 120mm Length (XL), 0-Degree
WEIGHT
BIKE WEIGHT
18lbs (Size L)

Specs are subject to change based on availability.

Geometry

Size XXS XS S M L XL
Height (ft/in) 4'11" - 5'3" 5'1" - 5'5" 5'4" - 5'7" 5'6" - 5'9" 5'8" - 5'11" 5'11" - 6'2"
Seat Tube Length (F) 450 475 500 520 545 570
Seat Tube Angle (E) 75° 74.7° 74.3° 74° 73.7° 73.3°
Head Tube Length (D) 100 115 130 145 160 175
Head Tube Angle (C) 71.5° 71.8° 72° 72.3° 72.3° 72.8°
Effective Top Tube (G) 505.31 517.31 530.42 543.04 555.14 569.25
BB Height (I) 271 271 271 271 271 271
BB Offset (H) 73 73 73 73 73 73
Chainstay Length (J) 415 415 415 415 415 415
Wheelbase (K) 968.42 975.82 983.9 991.1 1000.62 1005.8
Frame Reach (B) 370 375 380 385 390 395
Frame Stack (A) 505 520.21 535.2 550.4 564.7 580.8
Standover Height (L) 715.04 739.4 763.21 780.8 802.52 824.28


*All lengths in mm unless otherwise stated

Assembly

Your bike needs minor assembly before riding; use the tools and videos included.

As a guide, it'll take 10-40min depending on whether you're an experienced bike assembler or have little to no mechanical experience.

Side Note: Your cables will stretch during the initial bed-in period and must be adjusted by an experienced mechanic around 150km of riding.

Step 1

Unboxing Your Bike

Step 2

Bike Fit Setup

Step 3

Tyre Pressure Setup

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