Description
IN THE RELENTLESS PURSUIT OF SPEED
DESIGNED TO CUT THROUGH AIR BETTER
The Polygon Helios A8 brings pro-level performance to a more accessible tier. Featuring the same ACX carbon frameset developed with elite athletes, it’s paired with Shimano’s Ultegra Di2 electronic drivetrain, a power meter, and carbon wheels—delivering speed, stiffness, and aerodynamic efficiency in a lightweight, race-ready package.
DESIGNED TO CUT THROUGH AIR BETTER
The Polygon Helios A8 brings pro-level performance to a more accessible tier. Featuring the same ACX carbon frameset developed with elite athletes, it’s paired with Shimano’s Ultegra Di2 electronic drivetrain, a power meter, and carbon wheels—delivering speed, stiffness, and aerodynamic efficiency in a lightweight, race-ready package.
FEATURES





Geometry
| XXXS | XXS | XS | S | M | L | XL | |
| Rider’s Height | 4’8”–5’0” | 4’11”–5’3” | 5’2”–5’6” | 5’5”–5’9” | 5’7”–5’11” | 5’10”–6’2” | 6’1”–6’5” |
| Top Tube Effective | 502 | 513 | 529 | 540 | 556 | 570 | 598 |
| Reach | 370 | 375 | 385 | 390 | 400 | 405 | 420 |
| Seat Tube Length | 395 | 420 | 457 | 489 | 499 | 518 | 536 |
| Seat Tube Angle | 75 | 74.7 | 74.3 | 74 | 73.7 | 73.3 | 73 |
| Effective Seat Tube Angle | 75° | 75° | 74° | 74° | 74° | 73° | 73° |
| Head Tube Angle | 71 | 71.3 | 71.5 | 72.3 | 72.5 | 72.8 | 73 |
| Head Tube Length | 90 | 100 | 110 | 120 | 130 | 150 | 170 |
| BB Offset | 78 | 78 | 75.5 | 73 | 73 | 71.5 | 71.5 |
| Bottom Bracket Height | 78 | 78 | 76 | 73 | 73 | 72 | 72 |
| Chainstay Length | 410 | 410 | 410 | 410 | 410 | 410 | 410 |
| Wheelbase | 969 | 976 | 988 | 985 | 996 | 1005 | 1024 |
| Frame Stack | 493 | 503 | 511 | 523 | 533 | 551 | 571 |
| Standover | 662 | 685 | 720 | 752 | 761 | 780 | 799 |
| Crank Length | 165mm | 165mm | 165mm | 170mm | 170mm | 172.5mm | 175mm |
| Stem Length | 90mm | 100mm | 100mm | 110mm | 110mm | 120mm | 120mm |
| Handlebar Width | 400mm | 400mm | 400mm | 420mm | 420mm | 440mm | 440mm |
Information
| Weight | N/A |
|---|---|
| Dimensions | N/A |
| Color | Black, Green, Grey, SILVER, WHITE PINK, WHITE PURPLE, YELLOW /ORANGE |
| Size | L, L 700X545, M, S, XL, XS |
| Brand | Polygon |
| Frame | ACX PERFORMANCE UCI APPROVED |
| Fork | ACX PERFORMANCE UCI APPROVED, TAPER 1-1/8″ TO 1-1/2″ |
| Head Set | INTEGRATED (IS) SEALED BEARING FOR OS HEAD TUBE, IS 52/28.6, IS 52/40 |
| Stem | FSA NS SMR, EXT: 90mm (XS, S) / 100mm (M, L) / 110mm (XL), BB: 31.8mm, B/R: 6degree |
| Handlebar | FSA ENERGY COMPACT, W: 400mm (XS, S) / 420mm (M, L) / 440mm (XL), BB: 31.8mm, R/D: 123.2mm, B/R: 78mm |
| Rear Derailleur | SHIMANO ULTEGRA Di2 RD-R8150 DIRECT ATTACH |
| Shifter | SHIMANO ULTEGRA Di2 ST-R8170, 2×12-SPEED |
| Crank Set | SHIMANO ULTEGRA FC-R8100 52/36T |
| Cassette | SHIMANO ULTEGRA CS-R8101-12 11-34T |
| Brake | SHIMANO ULTEGRA ST-R8170 |
| Wheel Set | LINC BETA CARBON DISC (45mm) W/ TUBELESS TAPE INSTALLED |
| Tire | PIRELLI PZERO ROAD TLR 700x28C |
| Frame Material | Carbon (CF) |
| Rotor | SHIMANO ULTEGRA CL800 F:160mm / R:140mm CENTER LOCK |
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About brand
Bikeera stocks the full Polygon bikes UAE lineup — road, mountain, gravel, and electric models for every rider. Polygon delivers performance-focused design at accessible price points, with builds that compete at the highest levels. As one of Bikeera's core brands, Polygon comes with expert team support and a deep in-store range.
The Helios road series features UCI-approved carbon frames and top-tier groupsets including Shimano Dura-Ace Di2 and SRAM RED AXS. Tambora gravel bikes run from aluminium entry builds to full carbon e-gravel options, covering road speed and trail versatility. The Siskiu and Collosus mountain lines tackle everything from XC trail riding to enduro with progressive full suspension geometry. Polygon's Syncline and Collosus electric models pair Bosch and Shimano motors with capable trail-ready frames.
Shop Polygon bikes UAE at Bikeera in-store in Dubai or browse the complete collection at bikeera.com. Spare parts and accessories round out the Polygon range. Free delivery across the UAE on orders over AED 150.
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