New arrival
New arrival

2026 Polygon Helios A8 Di2 Powermeter

By Polygon
$6,999.00 CAD
503342001
Color: Midnight Pine
Size
View details
Description

HELIOS A: Built for Speed and Performance

Aero Road Race | ACX Carbon Frame | 12 Available Builds

The all-new Polygon HELIOS A is a UCI-approved carbon aero road bike designed for maximum speed and performance. Developed with the UCI Continental Team, TSG, we've re-engineered the HELIOS to be 5.2 seconds faster than previous generations but also 150g lighter - offering the perfect balance of aerodynamics and climbing agility for a competitive edge on the road.
Technical Specifications

Frameset

  • Frameset: ACX PERFORMANCE UCI APPROVED
  • Fork: ACX PERFORMANCE UCI APPROVED
  • Frame Color: MIDNIGHT PINE / CHROME ROCKET
  • Decal Color: HOLOGRAPHIC SILVER

Drivetrain

  • Shifter: SHIMANO ULTEGRA Di2 ST-R8170, 2x12-SPEED
  • Crank: SHIMANO ULTEGRA FC-R8100-P 52/36T POWERMETER
  • Cassette: SHIMANO ULTEGRA CS-R8101-12 11-34T
  • Rear Derailleur: SHIMANO ULTEGRA Di2 RD-R8150 DIRECT ATTACH
  • BB: TOKEN T47 85.5 FOR 24mm SPINDLE
  • Chain: KMC X12 EPT 12-SPEED

Cockpit

  • Saddle: LINC FLUX2, CR-MO ø 7mm
  • Seatpost: CARBON AERO, DxL: AERO 35 x 351mm
  • Handlebar: LINC CARBON, W: 400mm (XXXS, XXS, XS) / 420mm (S, M) / 440mm (L, XL), BB: 31.8mm, R/D: -134.2 mm (XXXS, XXS, XS) / -138.2mm (S, M, L, XL), B/R: 92.5mm (XXXS, XXS, XS) / 89.7mm (S, M, L, XL)
  • Handlestem: CARBON, EXT: 90mm (XXXS) / 100mm (XXS, XS) / 110mm (S, M) / 120mm (L, XL), BB: 31.8mm, R/D: -7.5degree
  • Headset: INTEGRATED (IS) SEALED BEARING FOR OS HEAD TUBE, IS 52/28.6 | IS 52/40

Wheel & Tire

  • Wheel Set: LINC BETA CARBON DISC (45mm) W/ TUBELESS TAPE INSTALLED
  • Wheel Size: 700C
  • Tire: PIRELLI PZERO ROAD TLR 700x28C
  • Rim: F: CARBON 622-22 20H FOR TYRE 622-28/62 DISC TUBELESS READY / R: CARBON 622-22 24H FOR TYRE 622-28/62 DISC TUBELESS READY
  • Hub: F: ALLOY THRU AXLE 12x100mm 20H SEALED BEARINGS CENTER LOCK / R: ALLOY THRU AXLE 12x142mm 24H SEALED BEARINGS CENTER LOCK
  • Spokes: F: STAINLESS DOUBLE BUTTED NDS:278mm DS:280mm / R: STAINLESS DOUBLE BUTTED NDS:272mm DS:274mm

Brake

  • Brake Lever: SHIMANO ULTEGRA ST-R8170
  • Brake Caliper: SHIMANO ULTEGRA HYDRAULIC DISC
  • Rotor: SHIMANO ULTEGRA CL800 F:160mm / R:140mm CENTER LOCK
Geometry
XXS XS S M L XL
Height (cm) 151-161 154-164 162-170 168-176 174-181 180-187
Seat Tube Length (A) 420 457 489 499 518 536
Seat Tube Angle (B) 74.7 74.3 74 73.7 73.3 73
Effective Seat Tube Angle (C) 74.7 74.3 74 73.7 73.3 73
Head Tube Length (D) 100 110 120 130 150 170
Head Tube Angle (E) 71.3 71.5 72.3 72.5 72.8 73
Effective Top Tube (F) 513 529 540 556 570 598
Bb Height (G) 266 268.5 271 271 272.5 272.5
Bb Offset (H) 78 75.5 73 73 71.5 71.5
Chainstay Length (I) 410 410 410 410 410 410
Wheelbase (J) 976 988 985 996 1005 1024
Frame Reach (K) 375 385 390 400 405 420
Frame Stack (L) 503 511 523 533 551 571
Standover Height (M) 685 720 752 761 780 799
Product Variants SKU/UPC
  • 2026 Polygon Helios A8 Di2 Powermeter: Midnight Pine / XXS: SKU: 503342001 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Midnight Pine / XS: SKU: 503342002 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Midnight Pine / SM: SKU: 503342003 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Midnight Pine / MD: SKU: 503342004 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Midnight Pine / LG: SKU: 503342005 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Midnight Pine / XL: SKU: 503342006 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Chrome Rocket / XXS: SKU: 503342007 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Chrome Rocket / XS: SKU: 503342008 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Chrome Rocket / SM: SKU: 503342009 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Chrome Rocket / MD: SKU: 503342010 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Chrome Rocket / LG: SKU: 503342011 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Chrome Rocket / XL: SKU: 503342012 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Midnight Pine / XXXS: SKU: 503342013 - UPC:
  • 2026 Polygon Helios A8 Di2 Powermeter: Chrome Rocket / XXXS: SKU: 503342014 - UPC: