Sunn Kern S2 Specs and reviews

Sunn Kern S2 fiche technique et avis

Sunn Kern S2 specs

General Information
Model Name Sunn Kern S2
Brand/Manufacturer Sunn
Year of Release 2022
Country of Origin France
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
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: 52/36T
Cassette Range 11-28T
Chain Type and Brand Shimano HG701
Bottom Bracket Spec Shimano BB86
Braking System
Brake Type hydraulic disc
Brake Brand and Model Shimano Ultegra R8070
Rotor Size front: 160mm, rear: 160mm
Brake Mount Standard flat mount
Brake Pads disc-compatible: organic
Wheels & Tires
Wheel Size 700c
Rim Type and Material carbon, tubeless
Rim Width internal: 19mm, external: 25mm
Hub Type and Engagement Shimano
Tubeless Ready true
Tire Brand, Model, and Width Continental Grand Prix 5000 25mm
Max Tire Clearance 28mm
Recommended Tire Pressure Range 85-95 psi
Cockpit & Contact Points
Handlebar Type drop bar
Handlebar Material carbon
Stem Length and Angle 110mm, +/-6 degrees
Bar Tape Type Sunn branded
Saddle Brand and Model Selle Italia SLR Boost
Seatpost Type aero
Pedals Included false
Geometry & Fit
Available Frame Sizes XS, S, M, L, XL
Rider Height Range 5'4" - 6'2"
Stack and Reach stack: 550mm, reach: 380mm
Effective Top Tube Length 540mm
Seat Tube and Head Tube Length seat tube: 520mm, head tube: 140mm
Chainstay Length 410mm
Bottom Bracket Drop 70mm
Performance & Ride Quality
Claimed and Actual Weight 7.5kg
Aerodynamic Design Elements optimized tube shapes
Ride Characteristics stiff and responsive
Test Ride Reviews or Feedback Positive feedback on stiffness and handling
Price & Availability
MSRP $3,500
Availability by Region or Country Europe, North America
Color Options and Finish Matte Black, Gloss Red
Warranty Coverage Frame: 5 years, Components: 2 years

Pros and Cons of Sunn Kern S2


Pros Cons
Lightweight frame May not be suitable for very rough off-road terrain
Smooth gear shifting Some users find the seat uncomfortable for long rides
Responsive handling Higher price point compared to similar models

Common Issues and Problems with Sunn Kern S2


Common Problems with Sunn Kern S2 Bike
1. Chain slipping or skipping gears
2. Brake squeaking or lack of stopping power
3. Suspension fork not functioning smoothly
4. Loose or creaking headset
5. Gear shifting issues or difficulty in changing gears
6. Seat post slipping or not staying in place
7. Wheel alignment problems leading to wobbling

User Reviews of Sunn Kern S2


Name Review
Emily The Sunn Kern S2 bike is a fantastic choice for riders looking for a fast and agile ride. The frame is lightweight and durable, making it ideal for both city commuting and off-road trails.
Michael I've been using the Sunn Kern S2 for a few months now and it has exceeded my expectations. The bike handles well on different terrains and the gear shifting is smooth. Highly recommend it!
Sophia The Sunn Kern S2 is a stylish and comfortable bike. I love the design and the overall performance. It's a great value for the price and I enjoy riding it every day.
David I purchased the Sunn Kern S2 for my daily commute and I couldn't be happier. The bike is sturdy, reliable, and easy to maintain. It's a great investment for anyone looking for a quality ride.

Common Questions About Sunn Kern S2


  • What is the frame material of the Sunn Kern S2 bike?

    The frame of the Sunn Kern S2 is made of carbon, providing a perfect balance of stiffness and lightness.

  • Are the cables of the Sunn Kern S2 bike routed internally?

    Yes, the Sunn Kern S2 features internal cable routing for a clean and aerodynamic look.

  • What type of drivetrain does the Sunn Kern S2 have?

    The Sunn Kern S2 is equipped with a 2x 11-speed drivetrain for smooth and efficient gear changes.

  • How does the braking system of the Sunn Kern S2 perform?

    The Sunn Kern S2 features hydraulic disc brakes with Shimano Ultegra R8070 calipers, providing reliable and powerful braking performance.

  • What is the wheel size of the Sunn Kern S2 bike?

    The Sunn Kern S2 comes with 700c wheels, offering a good balance of speed and stability.

  • Does the Sunn Kern S2 come with tubeless-ready rims?

    Yes, the Sunn Kern S2 is equipped with carbon tubeless-ready rims for enhanced puncture resistance and better traction.

  • What is the recommended tire pressure range for the Sunn Kern S2?

    The recommended tire pressure range for the Sunn Kern S2 is 85-95 psi, ensuring optimal performance and comfort.

  • What is the rider height range suitable for the Sunn Kern S2?

    The Sunn Kern S2 is suitable for riders with heights ranging from 5'4" to 6'2", providing a versatile fit for a wide range of cyclists.

  • How does the Sunn Kern S2 bike handle in terms of ride characteristics?

    The Sunn Kern S2 offers a stiff and responsive ride, making it ideal for racing and aggressive riding styles.

  • What is the claimed and actual weight of the Sunn Kern S2?

    The Sunn Kern S2 has a claimed weight of 7.5kg, providing a lightweight and agile riding experience.