New arrival
New arrival

2026 Polygon Helios A7 Di2

By Polygon
$5,199.00 CAD

In stock at supplier warehouse - Usually ships within 5 business days. More info

503344002
Color: Cosmic Plum
Size
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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: COSMIC PLUM / BLACK PHANTOM
  • Decal Color: HOLOGRAPHIC SILVER

Drivetrain

  • Shifter: SHIMANO 105 Di2 ST-R7170, 2x12 SPEED
  • Crank: SHIMANO 105 FC-R7100 52/36T
  • Cassette: SHIMANO 105 CS-R7101-12 12-SPEED 11-34T
  • Rear Derailleur: SHIMANO 105 Di2 RD-R7150
  • 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 105 ST-R7170
  • Brake Caliper: SHIMANO 105 HYDRAULIC DISC
  • Rotor: SHIMANO SM-RT70 F:160mm / R:140mm CENTER LOCK
Geometry
XXXS XXS XS S M L XL
Height (cm) 144-154 151-161 154-164 162-170 168-176 174-181 180-187
Seat Tube Length (A) 395 420 457 489 499 518 536
Seat Tube Angle (B) 75 74.7 74.3 74 73.7 73.3 73
Effective Seat Tube Angle (C) 75 74.7 74.3 74 73.7 73.3 73
Head Tube Length (D) 90 100 110 120 130 150 170
Head Tube Angle (E) 71 71.3 71.5 72.3 72.5 72.8 73
Effective Top Tube (F) 502 513 529 540 556 570 598
Bb Height (G) 266 266 268.5 271 271 272.5 272.5
Bb Offset (H) 78 78 75.5 73 73 71.5 71.5
Chainstay Length (I) 410 410 410 410 410 410 410
Wheelbase (J) 969 976 988 985 996 1005 1024
Frame Reach (K) 370 375 385 390 400 405 420
Frame Stack (L) 493 503 511 523 533 551 571
Standover Height (M) 662 685 720 752 761 780 799
Product Variants SKU/UPC
  • 2026 Polygon Helios A7 Di2: Cosmic Plum / XXS: SKU: 503344001 - UPC:
  • 2026 Polygon Helios A7 Di2: Cosmic Plum / XS: SKU: 503344002 - UPC:
  • 2026 Polygon Helios A7 Di2: Cosmic Plum / SM: SKU: 503344003 - UPC:
  • 2026 Polygon Helios A7 Di2: Cosmic Plum / MD: SKU: 503344004 - UPC:
  • 2026 Polygon Helios A7 Di2: Cosmic Plum / LG: SKU: 503344005 - UPC:
  • 2026 Polygon Helios A7 Di2: Cosmic Plum / XL: SKU: 503344006 - UPC:
  • 2026 Polygon Helios A7 Di2: Black Phantom / XXS: SKU: 503344007 - UPC:
  • 2026 Polygon Helios A7 Di2: Black Phantom / XS: SKU: 503344008 - UPC:
  • 2026 Polygon Helios A7 Di2: Black Phantom / SM: SKU: 503344009 - UPC:
  • 2026 Polygon Helios A7 Di2: Black Phantom / MD: SKU: 503344010 - UPC:
  • 2026 Polygon Helios A7 Di2: Black Phantom / LG: SKU: 503344011 - UPC:
  • 2026 Polygon Helios A7 Di2: Black Phantom / XL: SKU: 503344012 - UPC:
  • 2026 Polygon Helios A7 Di2: Cosmic Plum / XXXS: SKU: 503344013 - UPC:
  • 2026 Polygon Helios A7 Di2: Black Phantom / XXXS: SKU: 503344014 - UPC: