05/07/2009
For cyclists across the UK and beyond, the name Mavic evokes a legacy of innovation, performance, and reliability. Among their prestigious line-up, the Mavic Ksyrium series has consistently stood out as a benchmark for high-performance alloy wheels. The Mavic Ksyrium Pro Exalith Clincher Wheelset represents a refined evolution of this legendary family, meticulously engineered to deliver a superior riding experience, whether you're tackling steep climbs, navigating technical descents, or simply enjoying a long, fast ride on varied terrain. This wheelset isn't just an upgrade; it's a testament to Mavic's commitment to pushing the boundaries of cycling technology, offering a compelling blend of lightweight agility, robust durability, and unparalleled braking performance.

At its core, the Ksyrium Pro Exalith is designed for riders who demand efficiency, comfort, and control. It brings together several cutting-edge Mavic technologies, each contributing to a harmonious system that enhances every pedal stroke and braking action. From the specially treated braking surface to the innovative rim profile and the meticulously crafted components, every aspect of this wheelset is geared towards providing an exceptional connection between rider and road.
- The Foundation: Maxtal Alloy and ISM 4D Rim Construction
- Unparalleled Stopping Power: The Exalith 2 Braking Surface
- The Heart of the Wheel: Hubs and Spokes
- The Perfect Pairing: Mavic Yksion Pro Tyres
- Why Choose the Mavic Ksyrium Pro Exalith Clincher Wheelset?
- Technical Specifications
- Comparative Look: Ksyrium Pro Exalith vs. Standard Alloy Clinchers
- Frequently Asked Questions
- Q: Are the Mavic Ksyrium Pro Exalith wheels suitable for all-weather riding?
- Q: Do I need special brake pads for the Exalith 2 surface?
- Q: What is the recommended tyre pressure for these wheels with the included 25mm tyres?
- Q: Can I use tyres wider than 25mm with this wheelset?
- Q: How do I maintain the Exalith braking surface?
- Conclusion
The Foundation: Maxtal Alloy and ISM 4D Rim Construction
The very essence of the Ksyrium Pro Exalith's performance lies in its sophisticated rim construction. Mavic has chosen their proprietary Maxtal alloy for both the 24mm deep front and 26mm deep rear rims. Maxtal is not just any aluminium alloy; it's specifically formulated by Mavic to offer an outstanding strength-to-weight ratio. This material choice is crucial for a wheelset designed for high performance, as it allows the rims to be incredibly light without compromising on their resilience.
The benefits of Maxtal are immediately apparent: the material's inherent properties help to dampen road vibrations, providing a smoother, more comfortable ride even over rough British tarmac. More importantly, its robust form ensures that every watt of power you generate through the pedals is efficiently transferred to the road, making these wheels exceptionally responsive and perfect for those challenging climbs where every gram and every ounce of stiffness counts. This ability to maintain a strong form under load is what gives the Ksyrium Pro Exalith its renowned climbing prowess and sprint efficiency.
Complementing the Maxtal alloy is Mavic's exclusive and patented ISM 4D (Inter Spoke Milling 4 Dimensions) rim construction. This innovative manufacturing process involves precisely milling the rim between the spoke holes, removing excess material where it's not needed for structural integrity. The result is a significant reduction in both weight and inertia. Lower inertia means the wheels are quicker to accelerate and decelerate, making them feel incredibly lively and responsive. But ISM 4D isn't just about weight savings; the new shape also improves aerodynamics, allowing the wheels to slice through the air with greater efficiency, reducing drag and helping you maintain speed with less effort.
The Wider Rim Advantage: Enhanced Comfort and Performance
A significant upgrade to this iteration of the Ksyrium Pro Exalith is the wider 17mm internal rim width. While seemingly a small change, this wider profile has profound implications for rider comfort, rolling efficiency, and traction. By increasing the air capacity of the tyres, it allows for a larger contact patch with the road.
This wider contact patch offers several advantages:
- Enhanced Comfort: The increased air volume and broader tyre footprint help to absorb road vibrations and impacts more effectively. This translates to a noticeably smoother and more comfortable riding experience, reducing rider fatigue on longer journeys without sacrificing the crucial 'feel' of the road.
- Improved Rolling Efficiency: A wider rim allows the tyre to sit more naturally, creating a more optimal tyre profile. This can lead to lower rolling resistance, meaning you'll expend less energy to maintain your speed.
- Superior Traction and Cornering: By distributing the contact area of the tyre over a wider surface, traction is significantly improved, especially when cornering. This provides greater confidence and control, allowing you to push harder through bends and maintain speed with greater security.
Unparalleled Stopping Power: The Exalith 2 Braking Surface
Perhaps one of the most distinctive and performance-defining features of this wheelset is the Exalith 2 braking surface. This exclusive Mavic technology is a micro-machined, chemical treatment applied directly to the alloy rim. The result is a braking track that not only looks unique with its distinctive anthracite colour but also delivers truly superior braking performance in all conditions.
Mavic claims that the Exalith 2 braking surface shortens braking distances by up to 18% in wet conditions compared to traditional alloy braking surfaces. This is a crucial safety advantage, particularly for riders in the UK where wet weather is a common occurrence. The textured surface provides immense grip for the specially designed Exalith brake pads, ensuring powerful, consistent, and modulated stopping power. Furthermore, the treatment penetrates the alloy, making the braking track incredibly hard-wearing and resistant to rim wear. This means the striking anthracite colour and high performance will be maintained for thousands of kilometres, resisting the typical silvering and wear marks seen on standard alloy rims.
The Heart of the Wheel: Hubs and Spokes
A wheelset is only as good as its weakest link, and Mavic has ensured that the hubs and spokes of the Ksyrium Pro Exalith are nothing short of top-tier. The lightweight theme continues with the FTS-L (Force Transfer System Light) freehub. This system is engineered for fast engagement, ensuring that power transfer from your pedals to the rear wheel is immediate and efficient, with minimal lag. The freehub is built with a durable alloy body, aluminium flanges, and features high-quality sealed cartridge bearings, which provide a superior level of rolling speed and long-term durability with minimal maintenance.
Connecting the hubs to the rims are Mavic's Zicral spokes. Zicral is a specific aluminium alloy known for its high stiffness-to-weight ratio. These spokes are bladed for aerodynamic efficiency and ensure light and stiff rolling. Their robust nature helps in the maintenance of a true wheel profile, even when subjected to the stresses of powerful sprints, rough roads, or adverse riding conditions. The combination of the FTS-L freehub and Zicral spokes creates a wheel system that is not only light and fast but also incredibly responsive and durable.
The Perfect Pairing: Mavic Yksion Pro Tyres
A great set of wheels deserves equally great tyres, and Mavic has meticulously paired the Ksyrium Pro Exalith with their high-performance Yksion Pro Clincher tyres. These tyres are specifically designed to complement the wheelset, enhancing its overall performance characteristics.
- Mavic Yksion Pro GripLink (Front Tyre): The front tyre features GripLink technology, which focuses on providing optimal control and responsiveness. This tyre is engineered with a specific compound and tread pattern to maximise grip in corners and wet conditions, offering superior steering precision and confidence. Its design prioritises safety and control, crucial for handling and braking.
- Mavic Yksion Pro PowerLink (Rear Tyre): The rear tyre, with PowerLink technology, is all about efficient power transfer and generating speed. Its compound and tread pattern are optimised for low rolling resistance, allowing the wheel to fully liberate its ability to transfer power from the rider to the road. This results in faster acceleration and sustained speed, making it the perfect partner for the drive wheel.
These 25mm clincher tyres, coupled with the wider 17mm rim, create a harmonious system that maximises comfort, efficiency, and grip, ensuring a truly integrated performance package straight out of the box.
Why Choose the Mavic Ksyrium Pro Exalith Clincher Wheelset?
The Mavic Ksyrium Pro Exalith Clincher Wheelset is a compelling choice for a wide range of cyclists, from dedicated club riders to competitive amateurs. Here's a summary of its key advantages:
- Exceptional Braking Performance: The Exalith 2 surface offers unparalleled stopping power, especially in the wet, providing a significant safety and performance advantage.
- Lightweight and Responsive: Thanks to Maxtal alloy, ISM 4D milling, and lightweight components, these wheels are incredibly light and quick to accelerate, making them ideal for climbing and dynamic riding.
- Enhanced Comfort: The wider rim and optimised tyre profile contribute to a smoother, more comfortable ride without sacrificing road feel.
- Durability: Designed to withstand the rigours of thousands of kilometres, with long-lasting braking surfaces and robust construction.
- Integrated System: The wheelset comes as a complete package, including perfectly matched tyres, ensuring optimal performance from day one.
- Distinctive Aesthetics: The unique anthracite finish of the Exalith braking surface provides a sleek, high-performance look that stands out.
Technical Specifications
| Feature | Specification |
|---|---|
| Rim Material | Maxtal Alloy |
| Rim Depth (Front) | 24mm |
| Rim Depth (Rear) | 26mm |
| Internal Rim Width | 17mm |
| Braking Surface | Exalith 2 |
| Rim Construction | ISM 4D |
| Hubs | FTS-L Freehub (Alloy body, Aluminium flanges, Sealed cartridge bearings) |
| Spokes | Zicral (Bladed) |
| Front Tyre | Mavic Yksion Pro GripLink Clincher 25mm |
| Rear Tyre | Mavic Yksion Pro PowerLink Clincher 25mm |
| Included Accessories | 2 x pairs of Mavic Exalith brake pads, Mavic Multifunction adjustment wrench, Mavic BR601 quick releases, Mavic User guide, 2 x Mavic Butyl inner tubes (48mm Presta valve) |
Comparative Look: Ksyrium Pro Exalith vs. Standard Alloy Clinchers
| Feature | Mavic Ksyrium Pro Exalith | Standard Alloy Clincher |
|---|---|---|
| Braking Performance (Wet) | Up to 18% shorter braking distances | Variable, often reduced grip |
| Braking Surface Durability | Exalith 2 (penetrates alloy), highly resistant to wear, maintains colour | Standard alloy, prone to wear marks and discolouration over time |
| Weight & Inertia | Significantly reduced due to ISM 4D milling | Generally heavier, higher inertia |
| Rim Width | 17mm internal (optimised for 25mm+ tyres) | Typically 13-15mm internal (less air volume, tyre profile often less optimal) |
| Comfort | Enhanced due to wider rim and tyre volume | Lower comfort due to narrower rim and less air volume |
| Aerodynamics | Improved due to ISM 4D rim shape | Standard rim shapes, less aerodynamic optimisation |
| Tyre Integration | Comes with perfectly matched Mavic Yksion Pro tyres | Requires separate tyre purchase, no guaranteed optimisation |
| Aesthetics | Distinctive anthracite Exalith finish | Standard silver/black alloy finish |
Frequently Asked Questions
Q: Are the Mavic Ksyrium Pro Exalith wheels suitable for all-weather riding?
A: Absolutely. One of the standout features of the Exalith 2 braking surface is its exceptional performance in wet conditions, significantly shortening braking distances. This makes the wheelset a reliable choice for riding in various weather, particularly beneficial for the often unpredictable UK climate.
Q: Do I need special brake pads for the Exalith 2 surface?
A: Yes, it is crucial to use the specific Mavic Exalith brake pads supplied with the wheelset. These pads are designed to work optimally with the Exalith 2 surface, providing the advertised braking performance and ensuring the longevity of the rim. Using standard brake pads can damage the Exalith coating and compromise braking efficiency.
Q: What is the recommended tyre pressure for these wheels with the included 25mm tyres?
A: While specific pressure will depend on rider weight, road conditions, and personal preference, the wider 17mm rim allows for slightly lower pressures compared to narrower rims. Always refer to the tyre manufacturer's recommended pressure range (printed on the tyre sidewall) and experiment to find your ideal balance of comfort, grip, and rolling resistance.
Q: Can I use tyres wider than 25mm with this wheelset?
A: The 17mm internal rim width is well-suited for 25mm and 28mm tyres, which are increasingly popular for their comfort and rolling efficiency. While some narrower tyres might fit, the optimal performance and safety will be achieved with tyres that complement the rim's width, such as the included 25mm Yksion Pro tyres.
Q: How do I maintain the Exalith braking surface?
A: Regular cleaning with water and a mild detergent to remove road grime and brake dust is recommended. Ensure you only use the specified Exalith brake pads and replace them when they show signs of wear. Avoid abrasive cleaners or tools that could damage the surface.
Conclusion
The Mavic Ksyrium Pro Exalith Clincher Wheelset stands as a testament to Mavic's enduring commitment to excellence in cycling componentry. It's a wheelset that seamlessly blends lightweight construction with robust durability, offering a truly exceptional riding experience. From the groundbreaking Exalith 2 braking surface that instils confidence in all conditions, to the comfort and efficiency gained from the wider ISM 4D rims, and the immediate power transfer of the FTS-L freehub, every element is meticulously crafted for performance. For the discerning UK cyclist looking to upgrade their ride with a wheelset that promises speed, control, and lasting quality, the Ksyrium Pro Exalith is a compelling, high-performance choice that will elevate every journey.
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