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Polygon Helios A8X DI2-12S Road Bicycle 2025

AIBPA28A8X2SG2
₹379,990 ₹487,490
Color: Blue
Size

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Aero Efficiency Meets Climbing Agility

Overview

The Polygon Helios A8X DI2-12S Road Bicycle 2025 is built for racing, fast training and spirited club rides. Its aerodynamic frame delivers a claimed 24% drag reduction over the previous generation.

Lightweight ACX Carbon Platform: The UCI-approved ACX Performance carbon frame weighs approximately 800 g and balances low weight with responsive stiffness. Reinforced areas support efficient power transfer during sprints and climbs.

Ultegra Di2 Precision: A Shimano Ultegra Di2 2x12-speed drivetrain delivers fast, accurate electronic shifting. The 52/36T crankset and 11-34T cassette cover rapid flats, rolling roads and demanding gradients.

Race-Ready Carbon Setup: The Vision Metron 5D ACR cockpit creates a clean aerodynamic front end, while 50 mm Entity WR5 carbon wheels help maintain speed. Schwalbe One tyres and Ultegra disc brakes add dependable control.

Weighing around 7.7 kg in size Small without pedals, the Polygon Helios A8X DI2-12S Road Bicycle 2025 delivers aerodynamic speed, responsive climbing and electronic precision.

Features
  • Reduced Air Resistance: Aerodynamic shaping delivers a claimed 24% drag reduction.
  • Responsive Power Delivery: Reinforced frame areas efficiently transfer pedalling effort.
  • Climb-Ready Construction: An approximately 800 g carbon frame supports efficient climbing.
  • Confident Road Handling: Balanced stiffness and wider tyre clearance improve control.
  • Electronic Race Shifting: Shimano Ultegra Di2 delivers fast, accurate gear changes.
  • Integrated Aero Cockpit: Vision Metron 5D ACR creates a streamlined riding position.
  • Deep-Section Speed: Entity WR5 50 mm carbon wheels enhance aerodynamic performance.

Technologies

  • ACX Performance Carbon: Advanced carbon layup balances low weight, stiffness and responsive ride characteristics within a UCI-approved platform.
  • Shimano Ultegra Di2: Electronic shifting delivers precise gear changes through a semi-wireless 2x12-speed drivetrain.
  • Tubeless-Ready Wheel System: Carbon rims with pre-installed tubeless tape allow compatible tubeless tyre setups for improved ride quality.

Specifications
  • Frame: ACX Performance Carbon, UCI Approved
  • Fork: ACX Performance Carbon, UCI Approved, Tapered 1-1/8" to 1-1/2"
  • Brake Calipers: Shimano Ultegra Hydraulic Disc
  • Rotors: Shimano Ultegra Centre Lock
  • Shifters: Shimano Ultegra Di2 ST-R8170, 2x12-Speed, DCL
  • Crankset: Shimano Ultegra FC-R8100, 52/36T
  • Crank Arm Length: 170 mm (XS, S, M) / 172.5 mm (L, XL)
  • Cassette: Shimano Ultegra CS-R8100-12, 11-34T
  • Rear Derailleur: Shimano Ultegra Di2 RD-R8150, Direct Attach
  • Bottom Bracket: Shimano SM-BB92-41B, Press-Fit BB86
  • Chain: 12-Speed
  • Saddle: Entity Flux2, CR-MO ø 7mm
  • Seatpost: Carbon, Aero 35x337mm (XS) / 357mm (S, M, L, XL)
  • Handlebar: Vision Metron 5D ACR Integrated, W: 400mm (XS, S) / 420mm (M, L) / 420mm (XL), BB: Integrated, R/D: 125mm, B/R: 80mm
  • Handlestem: Vision Metron 5D ACR Integrated, EXT: 100mm (XS, S) / 110mm (M, L) / 120mm (XL), BB: Integrated, R/D: 6degree
  • Headset: Integrated Sealed Bearing For OS Head Tube, IS 52/28.6 | IS 52/40
  • Wheelset: Entity WR5 Disc(50mm) W/ Tubeless Tape Installed
  • Wheel Size: 700C
  • Rims: Carbon 622-19, 24H, Tubeless Ready
  • Tyres: Schwalbe One Addix TLE, 700x28C
  • Front Hub: Alloy, 12x100 mm Thru Axle, 24H, Sealed Bearings, Centre Lock
  • Rear Hub: Alloy, 12x142 mm Thru Axle, 24H, Sealed Bearings, Centre Lock
  • Spokes: Stainless Steel Straight-Pull Butted
  • Color: Blue
  • Size: XS, XL
  • Weight: 7.7 kg Without Pedals, Size S

Shipping, Returns & Refunds

We ship across India. Shipping is free on orders above ₹2,000, and ₹99 is charged on orders below ₹2,000. Cash on Delivery is available for orders up to ₹20,000, with additional COD charges based on order value. Most orders are delivered within 3–6 working days, though delays may occasionally occur. Please note that most Shimano products may take longer to ship. View full shipping policy.

Returns can be initiated within 7 days of delivery. Items must be unused, in original condition, and returned with all tags and packaging intact. Returns are available only on select categories such as apparel, helmets, jerseys, gloves, and similar items. Wetsuits and products discounted above 5% are not eligible for return.

Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. Return shipping must be arranged by the customer, as pickup is not available.

For eligible returns, you can choose an exchange, store credit, or a monetary refund. Refunds are processed after deduction of applicable shipping and transaction charges. Order cancellations are only possible before the order is processed. View full Return & Refund Policy.

Frequently Asked Questions

What is the material of this bike?

Based on carbon material with ACX technology for a light, responsive yet stiff frame.

What is the drivetrain combination?

The drivetrain come from Shimano Ultegra Di2 series.

What is Performance RB?

Road Bike designed for a high speed pursuit and hill climbing with various gradients.

What differentiate Performance RB and others?

The geometry and components is specially made for rider who likes to accelerate sharply on tarmac and responsive to be manouvered.

Why should I choose Polygon Performance RB?

Polygon Performance RB will filling up your soul that's craving for an adrenaline rush across the town or mountainous road.