Polygon Helios A7 Specs and reviews

Polygon Helios A7 fiche technique et avis

Polygon Helios A7 specs

General Information
Model Name Helios A7
Brand/Manufacturer Polygon
Year of Release 2022
Country of Origin Indonesia
Track Bike Type Velodrome
Intended Use Competitive Racing
Frame & Geometry
Frame Material Carbon Fiber
Frame Geometry Aerodynamic
Fork Type Carbon
Bottom Bracket Type External
Head Tube Angle 75 degrees
Seat Tube Angle 74 degrees
Chainstay Length Variable
Wheelbase Short
Internal Cable Routing Yes
Frame Sizes Available S, M, L
Drivetrain
Drivetrain Type Fixed Gear
Crankset Length 170mm
Crankset Brand Shimano
Crankset BCD 144
Chainring Size 48T
Cog Size 15T
Chain Type 1/8
Bottom Bracket Specs BSA
Wheels & Tires
Wheel Size 700c
Rim Depth Medium
Rim Material Carbon
Hub Type High-Flange
Tire Type Tubular
Tire Width 25mm
Cockpit & Contact Points
Handlebar Type Drop
Handlebar Width 40cm
Stem Length and Angle 90mm, +/- 6 degrees
Saddle Type Racing
Seatpost Type Aero
Pedal System Clipless
Fit & Geometry
Rider Height Recommendations 5'6" - 6'0"
Stack and Reach Measurements Varies by frame size
Standover Height Variable
Frame Size Options S, M, L
Performance & Features
Aerodynamic Features Wind tunnel optimized
Weight 7.5 kg
Wind Tunnel Tested Yes
Price & Availability
MSRP $2,500
Color Options Black, Red
Warranty Details Frame: Lifetime, Components: 1 year
Market Availability Global

Pros and Cons of Polygon Helios A7


Pros Cons
Lightweight frame Higher price point
Smooth gear shifting Limited color options
Responsive disc brakes May require frequent maintenance
Comfortable saddle Not suitable for extreme off-road trails

Common Issues and Problems with Polygon Helios A7


Common Problems with Polygon Helios A7 Bike
1. Chain slipping or skipping during gear shifts
2. Brake pads wearing out quickly
3. Wheels going out of true frequently
4. Squeaky or noisy brakes
5. Gear shifting not smooth or accurate
6. Seat post slipping or not staying in place
7. Loose or creaking headset
8. Pedals becoming loose or difficult to turn

User Reviews of Polygon Helios A7


Name Review
John The Polygon Helios A7 bike is a great value for the price. It rides smoothly and the gears shift effortlessly. I'm very happy with my purchase.
Sarah I've been using the Polygon Helios A7 for a couple of months now and it has exceeded my expectations. It's lightweight, sturdy, and perfect for my daily commute.
Michael The design of the Polygon Helios A7 is sleek and modern. The bike is comfortable to ride and the brakes are very responsive. Overall, a fantastic bike.
Emily I recently bought the Polygon Helios A7 for weekend rides, and I'm impressed with its performance. It handles different terrains well and is a joy to ride.

Common Questions About Polygon Helios A7


  • Is the Polygon Helios A7 suitable for beginners in competitive racing?

    While the Helios A7 is designed for competitive racing, it can also be a great choice for beginners looking to enter the world of velodrome racing. Its performance and features can help you improve your skills on the track.

  • What makes the carbon fiber frame of the Helios A7 special?

    The carbon fiber construction of the Helios A7 offers a perfect balance of stiffness and compliance, providing excellent power transfer while dampening road vibrations for a smoother ride.

  • Can I customize the gearing on the Helios A7?

    While the bike comes with a fixed gear drivetrain, you can customize the chainring size and cog size according to your preferences and the requirements of the track you'll be racing on.

  • Does the Helios A7 come with a warranty?

    Yes, the Helios A7 comes with a lifetime warranty on the frame and a 1-year warranty on components. This ensures peace of mind regarding the quality and durability of the bike.

  • What are the color options available for the Helios A7?

    The Helios A7 is available in classic color options like black and red, allowing you to choose a style that suits your preferences and makes a statement on the track.

  • Is the Helios A7 suitable for riders with different heights?

    Yes, the Helios A7 is designed to accommodate riders with heights ranging from 5'6" to 6'0". With multiple frame sizes available, you can find the perfect fit for your height.

  • What aerodynamic features does the Helios A7 offer?

    The Helios A7 is wind tunnel optimized, meaning it has been specifically designed to reduce drag and improve aerodynamic efficiency, giving you an edge in competitive racing.

  • Can the wheelbase of the Helios A7 be adjusted?

    While the wheelbase of the Helios A7 is fixed, the variable chainstay length allows for some flexibility in the bike's handling characteristics, giving you control over how it performs on the track.

  • Are the tires on the Helios A7 suitable for all track conditions?

    The tubular tires with a width of 25mm provide a good balance between speed and grip, making them versatile enough to handle various track conditions with confidence.

  • How does the internal cable routing of the Helios A7 benefit riders?

    The internal cable routing not only enhances the sleek and clean look of the bike but also reduces aerodynamic drag by ensuring that cables are neatly tucked away, contributing to improved performance on the track.