Kestrel KM40 Airfoil Specs and reviews

Kestrel KM40 Airfoil fiche technique et avis
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Kestrel KM40 Airfoil specs

General Information
Model Name Kestrel KM40 Airfoil
Brand/Manufacturer Kestrel
Year of Release 2022
Country of Origin United States
Road Bike Type aero
Intended Use racing
Frame & Geometry
Frame Material carbon
Frame Size Options XS, S, M, L, XL
Fork Material carbon
Bottom Bracket Type BB86
Headset Type integrated
Internal Cable Routing true
Aero Features aero tubing, integrated cockpit, hidden cables
Frame Compliance Features carbon layup
Drivetrain
Drivetrain Type 2x
Number of Speeds 11-speed
Rear Derailleur Model Shimano Ultegra R8000
Shifter Brand and Model Shimano Ultegra R8020
Crankset Details Length: 170mm / Chainring sizes: 50-34T
Cassette Range 11-28T
Chain Type and Brand Shimano HG701
Bottom Bracket Spec BB86
Braking System
Brake Type rim brake
Brake Brand and Model Shimano Ultegra R8000
Brake Pads rim-compatible
Wheels & Tires
Wheel Size 700c
Rim Type and Material carbon, tubeless
Rim Width Internal: 19mm / External: 25mm
Tubeless Ready true
Tire Brand, Model, and Width Brand: Continental / Model: Grand Prix 5000 / Width: 25mm
Max Tire Clearance 28mm
Recommended Tire Pressure Range 85-95 psi
Cockpit & Contact Points
Handlebar Type drop bar
Stem Length and Angle Length: 100mm
Bar Tape Type cork
Saddle Brand and Model Fizik Arione
Seatpost Type aero
Pedals Included false
Geometry & Fit
Available Frame Sizes XS, S, M, L, XL
Rider Height Range 5'6" - 6'2"
Stack and Reach Stack: 565mm / Reach: 390mm
Effective Top Tube Length 550mm
Seat Tube and Head Tube Length Seat Tube: 500mm / Head Tube: 135mm
Chainstay Length 405mm
Performance & Ride Quality
Claimed and Actual Weight 7.5kg
Aerodynamic Design Elements Tube shapes
Ride Characteristics stiffness, comfort
Certifications & Compliance
UCI Approval true
ISO Safety Standards ISO 4210
Price & Availability
MSRP $4,500
Availability by Region or Country Worldwide
Warranty Coverage Frame: 5 years, Components: 2 years

Pros and Cons of Kestrel KM40 Airfoil


Pros Cons
Lightweight frame for easy maneuverability May not be as durable for rough terrains
Aerodynamic design for efficient speed Higher price point compared to other models
Comfortable saddle for long rides Limited storage options for accessories

Common Issues and Problems with Kestrel KM40 Airfoil


Common Problem
1. Poor shifting performance
2. Noisy brakes
3. Uncomfortable saddle
4. Loose handlebar grips
5. Squeaky chain
6. Wheel alignment issues
7. Pedals coming loose
8. Frame paint chipping

User Reviews of Kestrel KM40 Airfoil


Name Review
Emily The Kestrel KM40 Airfoil bike is a fantastic ride. It's lightweight, fast, and handles beautifully on the road. I highly recommend it to anyone looking for a high-quality road bike.
David I've been using the Kestrel KM40 Airfoil bike for a few months now, and I'm extremely impressed with its performance. The aerodynamic design really makes a difference in speed and efficiency.
Sarah The Kestrel KM40 Airfoil bike exceeded my expectations. It's a smooth ride, and the components are top-notch. I feel confident and comfortable riding this bike for long distances.
Michael I've been cycling for years, and the Kestrel KM40 Airfoil bike is one of the best bikes I've ever owned. It's sleek, responsive, and a joy to ride. I couldn't be happier with my purchase.

Common Questions About Kestrel KM40 Airfoil


  • Is the Kestrel KM40 Airfoil bike suitable for beginners?

    No, this bike is designed for racing and is more suitable for experienced riders looking for aerodynamic performance.

  • Can I use this bike for long-distance rides?

    While the bike is primarily designed for racing, its stiffness and comfort make it suitable for some longer rides, especially if you prioritize speed.

  • What makes the Kestrel KM40 Airfoil stand out in terms of design?

    The integrated cockpit, hidden cables, and aero tubing contribute to its sleek and aerodynamic appearance.

  • Does the Kestrel KM40 Airfoil bike come with pedals?

    No, pedals are not included with the bike, so you will need to purchase them separately.

  • What is the UCI Approval for this bike?

    The Kestrel KM40 Airfoil has received UCI Approval, meaning it meets the standards set by the international cycling governing body.

  • What is the weight of the Kestrel KM40 Airfoil bike?

    The claimed and actual weight of the bike is 7.5kg, making it relatively lightweight for a racing bike.

  • Can I customize the saddle on the Kestrel KM40 Airfoil?

    Yes, you can swap out the included Fizik Arione saddle for one that better suits your preferences and riding style.

  • What is the recommended tire pressure range for this bike?

    The recommended tire pressure range is 85-95 psi, providing a good balance of performance and comfort.

  • Does the Kestrel KM40 Airfoil bike come with a warranty?

    Yes, the frame is covered by a 5-year warranty, while components are covered for 2 years, ensuring peace of mind with your purchase.

  • How does the Kestrel KM40 Airfoil bike handle in terms of ride characteristics?

    The bike offers a good balance of stiffness for power transfer and comfort for longer rides, providing a versatile riding experience.