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Mavic R-Sys SLR 25c 2016 Road Wheelset
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Mavic R-Sys SLR 25c 2016 Road Wheelset

Product Code: 145362

The lightest clincher wheelset available now with a wider, deeper rim. Now available in limited edition

When creating the R-Sys, our goal was to provide gran fondo racers and all cyclists who love the mountains with the best possible wheel choice to achieve their climbing goals.

With the R-Sys SLR, we created a wheel that’s not only one of the few clincher wheelsets below the 1300g mark, but also the most laterally stiff, with high endurance, strength and the greatest braking ability.

Full Tracomp technology
R-Sys SLR features the full Tracomp technology, front and rear, which is exceptionally good for both climbing and descending.

Tracomp, which stands for Traction/Compression, combines extremely low weight with high lateral stiffness for precision and control when descending – and full power transfer when climbing out of the saddle.

So why does Tracomp make such a difference? Well a traditional wheel works with spokes that are likely to lose their tension under high lateral loads or weaken the wheel components when the tension gets too high. Tracomp, on the other hand, brings extra lateral stiffness in all conditions by allowing the spoke to work both in traction and compression. To achieve this, spokes needs to be:

- Round and hollow (tubes) so that they won’t buckle when compressed
- Clamped on both ends by a nipple that is bonded to the spoke and directly threaded into the rim’s Fore drilling and then into a ring inside the hub that locks the spoke head and prevents the spokes from travelling inside their slots
- Carbon to provide the desired weight saving and extra stiffness during the tension phase, as carbon fibers don’t stretch as much as steel or aluminum alloy

The result is a wheel that is 30% stiffer laterally than any other wheel in its weight category.

Low weight, low vibrations
The beauty of the Tracomp technology is that it also delivers two others benefits that every cyclist needs when going for an Alpine adventure: low weight thanks to the superlight carbon spokes, and road vibration dampening and vertical compliance for extra comfort, so you can ride longer, further and higher.

And it’s not just about the spokes: QRM SL bearing technology combines smooth and durable bearings in a very light package for extra performance.

Exalith – for downhill
R-Sys SLR is a true mountain wheelset that recognizes once you’ve reached the top, you’ll have to go back down.

For that, Exalith is a great compliment to the R-Sys SLR features. Exalith shortens stopping distance by 20%, wet or dry, and provides powerful and easy to modulate braking to give you total confidence downhill.

ISM4D: save weight, save Watts
The ISM4D rims are not only superlight, at just 370g, but they also save a few watts in aerodynamics, helping you descend even faster. ISM4D works by removing any material from the rim that is not needed for durability or stiffness to create a smooth rounded rim profile.

Matching Yksion Pro tyres
The wheel comes with our Yksion Pro tyres that offer a great balance of grip, rolling resistance and a low weight of only 205g in 25mm thanks to the supple 127 TPI casing, Kevlar beads and our well-balanced rubber compound.

The front wheel comes with the Griplink version that offers a specific tread pattern which helps evacuate water when cornering to increase confidence and speed in difficult conditions. It also offers very strong Kevlar puncture protection to improve safety.

The rear wheel comes with the Powerlink version, which sports a more supple nylon puncture protection instead of Kevlar to lower rolling resistance. To reduce rolling resistance and increase speed even further, the tread pattern is optimized to reduce the pressure on the ground, while improving water evacuation from the center to increase traction and efficiency in wet conditions.

R-Sys SLR is available with 23 or 25mm tyres. Yksion Pro tyres are also available in 28mm for even more comfort.

Weight : 1295 grams (Pair without tyre)

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Product Specifications

Key benefits:

The lightest alloy clincher wheel

New ISM 4D, Exalith 2 rims

Carbon Tracomp spokes

Superlight bearings and axles: QRM SL


High efficiency and energy transfer

High lateral stiffness: Tracomp

Superlight Yksion Pro PowerLink tyre

Taller rim profile


Accurate cornering

Maximum lateral stiffness: Tracomp

Superlight and grippy Yksion Pro GripLink tyre

Rounder rim profile for easier handling



Tyre 700x23: 190 grams

Pair without tyre: 1295 grams

Front without tyre: 555 grams

Rear without tyre: 740 grams

Key technologies:

Exalith 2

High braking performance
The Mavic exclusive Exalith 2 technology for aluminum rims has been refined to provide a very high level of durability and braking performance in all weather conditions.


Inter Spoke Milling 4 Dimensions
An exclusive Mavic patented concept, ISM 4D significantly reduces weight and inertia without compromising durability. Quicker accelerations, better handling and more resistance ; the right mix to make the most of any ride. The smooth profile also helps reducing aerodynamic drag


Grip and control
A front tyre, whether a clincher or a tubular, must fully liberate the wheel’s ability to hold the ground and control the bike. Therefore, GripLink tyres are optimized for front use, by offering a superior grip and extra puncture protection.


Low rolling resistance
A rear tyre, whether a clincher or a tubular, must fully liberate the wheel’s ability to transfer power and generate speed. Therefore, PowerLink tyres are optimized for rear wheel use, by minimizing the rolling resistance.


Light & stiff traction compression. Extremely light Tracomp carbon fibre spokes works in traction and compression to provide a very high stiffness level in any circumstances.


Force Transfer System Light
Reinforcement of key transmission components: the contact area between the pawl and the hub body is reinforced by 2 stainless steel inserts, which allows the use of a 100% aluminum hub body.


Stiffer and stronger
Instead of being drilled, the lower rim bridge is pushed up on the inside, then threaded to enable the spoke nipples to be directly screwed in it, leaving the upper rim bridge intact.



Light and strong
Exclusive to Mavic, this specific aluminum alloy offers a higher strength to weight ratio than conventional 6106 alloy.



Qualité de Roulements Mavic Super Light
The super light bearings are designed having in mind the QRM strict specifications. The matching hub axles are machined within extremely narrow tolerances, then one by one adjusted with very high precision when assembled.


Light, stiff and strong
A specific aluminum alloy that provides spokes with higher stiffness-to-weight ratio while being stronger.


Stronger and smoother joint
Soudé Usiné Process. After bending, the rim joint is arc welded. The welded seam is then milled for a smooth finish.

Detailed features:


Material: Maxtal

Height: front 24mm, rear 26 asymmetrical

Joint: SUP

Drilling: Fore

Brake track: Exalith 2

Weight reduction: ISM 4D

Valve hole diameter: 6.5 mm

Tyre: clincher

ETRTO size: 622x15C

Recommended tyre sizes: 23 to 32 mm


Material: carbon fiber (front and rear non drive side) and Zicral (rear drive side)

Shape: Tracomp tubular (front and rear non drive side) and straight pull bladed and double butted (rear drive side)

Nipples: Fore integrated aluminum

Count: front 16, rear 20

Lacing: radial front and rear non-drive side, crossed 2 rear drive side


Front and rear bodies: aluminum

Axle material: aluminum

Super Light sealed cartridge bearings

Freewheel: FTS-L steel


Yksion Pro GripLink (front) & PowerLink (rear)

Front and Rear Tread: Single Compound

Casing: 127 TPI

Breaker: Front Kevlar, Rear nylon

Dimension: 25-622 (700x25c)

Max. Pressure: 25mm 7.7 bars - 110 PSI


Clincher M11

Clincher ED11


BR601 quick releases

Exalith brake pads

Computer magnet

Multifonction adjustment wrench

Tracomp ring tool

User guide


ASTM CATEGORY 1 : road only

For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesn't exceed 120kg, bike included

0% Finance subject to status, written quotations on request.
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