FULCRUM SPEED 25+ 2025 ROAD WHEELSET
The “Plus” world crosses over to the road. With the Speed 25+ Fulcrum redefines the concepts of precision and lightness.
Following in the footsteps of the Red Zone Carbon+, the Speed 25 now take on the plus moniker, indicating the pinnacle of Fulcrum’s range, becoming the lightest low profile option for disc brakes ever produced.
Inspired on the Racing Light XLR, the Speed 25+ are the perfect choice both for steep alpine climbs and for long distances, thanks to the safe and precise ride feel that only low profile wheels can provide.
Compared to the Speed 25 the weight has been dropped down to 1270 grams and they integrate the best Fulcrum technologies, for an astounding set of wheels in terms of lightness and handling, without compromising reliability (ASTM 1 – System weight limit: 120kg).
Features
Tyre Type 2-Way Fit™ (tube & tubeless)
Tyre Size 28'
Discipline Road
ASTM CATEGORY 1
weight 1270 g
rim material Full Carbon (FF100)
rim material detail Direct Inmold Matt Finish (DIMF)
profile height Low
Rim height Front 26 mm, symmetric; Rear 26 mm, asymmetric
rim width 27,6 mm
inner rim width 21 mm
tyre width from 25 mm to 65 mm
Breaking System Disc Brake
oBreaking System Option AFS™
front axle compatibility HH12-100
rear axle compatibility HH12-142
front wheel spokes 24
rear wheel spokes 24
spokes material Stainless steel - Double butted
spokes profile Aero, straight pull
nipples Aluminum, Self-locking
front hub Aluminum, Low flanges
rear hub Aluminum, Low flanges
bearings CULT™ ceramic, Adj. Cup & Cone bearing system
others Lighter FWB with USB™ bearings
weight limit (system) 120 kg
FWB options XDR, HG11, N3W
TECHNOLOGIES
_ 2-Way Fit™
2-Way Fit™ profile for tubeless and clincher.
Tubeless technology was first used by the auto industry , then by motorcycles and now has reached the cycling industry.
After its debut with mountain bikes the moment has come to “put it on the road”, and that’s what we propose to do.
We have developed our 2-Way Fit™ technology to ensure the perfect compatibility of our tubeless rims with normal clincher types and tubes.
2-Way Fit™road bike wheels are perfectly multipurpose for tackling every situation.
Thanks to a special impression in the valve area, the tubes are fitted with the maximum precision while keeping the tube perfectly stable inside the tyre.
Housing the valve for tubeless tyres is also risk-free, with the unquestionable advantage that there are never any air infiltrations caused by non-ideal positioning when fitting.
COMPATIBILITY
It shall be the end user’s sole and full responsibility to choose - on a case by case basis – an adequate and correct rim-tire-pressure combination, as well as to conduct all verifications neces-sary to ascertain the correctness and safety of such combination.
Without prejudice to the above, and in order to ensure optimum rolling resistance, grip and, most importantly, safety, we recommend that the end user, in making his choice, also takes into consideration the recommended combinations of hooked rim width, tire width and tire pressure indicated in the chart set forth below.
Due to safety reasons, follow the information of the tire manufacturer regarding minimum and maximum rim width to be used.
The advantages
The advantages are indisputable: our tests have highlighted an unique increase in smoothness.
Because there is no tube, the friction caused by rubbing against the tyre is eliminated, while the perfect adherence of the tyre to the rim prevents the dispersion of energy.
Tubeless tyres do not suffer from sudden deflation when punctured which is a great advantage in safety terms.
There is also no risk of snake bites as there is no tube to get injured. What if a tubeless tyre gets punctured? There’s nothing to be afraid of... With the Fulcrum® 2-Way Fit™ you can remove the tubeless valve and fit in a standard clincher tire that will let you ride back home.
_ Cult™ - Ceramic Ultimate Level Technology™
Behind this project is the exclusiveness of Cronitect® steel, using “Advanced by FAG” technology by Schaeffler Group employed for the bearing races.
This steel is resistent to the corrosion of the highest level until the point that no grease is necessary for lubrication, maybe just a small amount of oil.
The top quality ceramic balls, thanks to the absence of lubricating grease and the precision machine of the cup and cone technology, allow to reduce the friction coefficient drastically and then increase the smoothness of triathlon and road bike wheels by as much as 9 times compared to standard bearings.
An outstanding result achieved by using cutting-edge technologies in the field of materials processing.
The difference
The test performed involves spinning the wheel to 500 rpms then letting it decelerate.
The test results are amazing: the road bike wheels equipped with CULT™ ball bearings continues its motion for a full 45 minutes, i.e. nine times longer than standard bearings.
_ MoMag™
What is MoMag™?
A magnet and lots of ingenuity. This was what led to the patent for the well-tested “Mounting Magnet” system, or MoMag™.
How does it work?
The nipples, once inserted inside the rim via the valve hole, are “guided” to the point of connection with the spoke by means of the magnet.
This simple but ingenious system makes it possible to have wheels without holes on the upper bridge, but with spokes tensioned by traditional nipples!
The advantages
No holes on the rim means that the rim is uniform at every point, free from stress points or zones of weakness and, for the clincher profiles no rim tape is required, to the benefit of weight reduction.
The advantages are immediately clear: greater rim lifetime, greater resistance to fatigue, the possibility to give the spokes greater tension, and greater stiffness which, in terms of performance, mean greater reactivity and acceleration.
_ F.I.C. Fulcrum Identification Card - 100% HANDMADE QUALITY
Right from its inception Fulcrum® has been marked by feature that continues to this day: that is to design, prototype and industrialise all the wheels characterised by the red “F”.
Indeed these take shape inside of the R&D, the leading-edge department that represents the beating heart of the Italian company.
Every single component of the wheel, the materials chosen and the technologies applied are the tangible result of the effort that Fulcrum® makes every day to give you maximum performance and reliability.
What is this?
To ensure the best performance and reliability of its products, each project, before going in the production stage, must submitted to a series of severe tests that validate what has been conceived and designed up to that moment (fatigue test, crash test, tyre burst test, enviroment test, 100% manually assembled and electronically checked).
This is why, from its 2012 range, Fulcrum® wanted to supply each wheel with its own Identity Card (F.I.C.) which uniquely identifies the wheel and certifies that it has been manually assembled and has passed all tests required by the strict quality protocol.
_ Traceability
A guarantee of quality
The keyword for our products is: traceable.
If you find a little label attached to any Fulcrum® product, do not remove it.
It will provide you a guarantee in case of an ascertained defectiveness of a production batch, and so the component needed or wheel will be traceable.
All this because, devoted to its mission, Fulcrum® demands the absolute perfection and safety for its customers.
_ AFS AXLE SYSTEM™
The Axial Fixing System™ is the solution developed by Fulcrum® to fix the disc brake to the hub.
The constraint granted by the butt area of the release mechanism, greater than in familiar standard ones, makes it possible to obtain greater structural rigidity and therefore more precise and powerful braking.
COMPATIBILITY
The availability of the International Standard option ensures full compatibility of Fulcrum® wheels even with the most widespread braking systems that use this assembly plan.
_ Undrilled Rim Bed
No holes on the bridge connector means that the rim is uniform at every point, free from critical areas subject to stress.
The advantages are immediately clear: less weight, longer lasting rims, greater resistance to fatigue, the possibility of giving the spokes more tension and more stiffness which, in terms of performance, means improved responsiveness and acceleration.
_ Asymmetric rim
The asymmetry is designed to improve rim tension, balancing the forces from brakes and sprocket cassette.
