This Vittoria Diamante Pro Folding Clincher Road Tyre is no longer available although you may find similar or newer versions below:
The Diamante Pro is an elite racing tyre with Vittoria's advanced, light, and flexible 220 TPI Nylon Plus casing. With a modern tread design, light weight, bead-to-bead flat protection and secure handling it sets the bar for racing tyre performance.
|Use:||Competition, training or leisure|
|Wheel Size:||700c (622)|
Isogrip SC is Vittoria's new reference standard for high-performance road compounds, a new formulation that’s integral to the Servizio Corse philosophy: ultimate performance on either dry and wet for Formula 1 of cycling.
Lightweight Nylon Casing
Nylon is a robust and durable artificial fibre used by most manufacturers for utility tyre casings. Traditionally, it lacked the flexibility of the polycotton casings preferred by élite riders but was lighter in weight than polycotton threads.
Now Vittoria has succeeded in engineering nylon yarn into their exclusive Nylon Plus 220 and 150 TPI weave, setting a new standard in each class of clincher tyres. Weight is cut by 10% over the previous best nylon casings, while road feel and rolling resistance approach closer to the top-performing polycotton open tubulars.
Vittoria also offers casings in Nylon 120 TPI, Nylon 60 TPI, and Nylon 26 TPI, each equipping a family of tires at its respective point on the price-performance scale, and all conferring the Vittoria characteristics of comfort, speed, and good handling.
Vittoria has expanded its nylon casing technology with radial casing. Radial casing is different to conventional casing. The cord plies of radial casing are set at 85° to the direction of travel (from bead to bead) making that the cords deform freely as the tyre flexes.
In conventional casing, the cords overlap diagonally to the direction of travel, causing more friction between the two plies. Due to the direction of the cords, the tire gains flexibility resulting in more comfort and grip. The flexible casing means, the width of the tire is reduced by 1 mm making it a lighter, more aerodynamic and therefore faster tyre. Radial casing is Vittoria’s premium of nylon casing technology, exclusive to their Diamante tyres.
These tyres are for racing style bikes that use clincher/hooked rims, these are the most common fitment and hook onto the rim and require an inner tube. There is a wide choice of tyres within this category and the right choice is important. Lighter tyres will accelerate quickly, but will be more prone to punctures so getting a balance is extremely important. If you require a tyre for all round use look for something with puncture protection, an average TPI(Threads Per Inch) and average weight. If you require a fast tyre and speed is the only thing that matters look for a low weight folding tyre with high TPI. If durability is your priority and speed is not so important look towards the puncture resistant tyres and consider going for a wider tyre, these will be less prone to punctures and offer a bit more comfort. For wet road conditions a triple compound or winter tyre is a good choice, these use a softer compound on the cornering surface to maximise grip.
Vittoria Industries Ltd. with an annual production of more than five million tires (mainly for race bikes) and nine hundred thousand famous tubulars all developed and produced in its wholly owned factory Lion Tyres in Thailand, is one of the largest race bike tire specialists and producers in the world. Its mission is to create higher value for its stakeholders and offer high quality tyres with the best available technologies to professional riders and bicycle enthusiasts. More than 15 professional teams (Pro Tour and Continental), several National Cycle Federations and the UCI Technical Centre in Aigle (CH) have used Vittoria tires for their races and training programs for many years.
|Recommended Vittoria Tyre Pressure|
For normal road surface and dry conditions. Note rim specifications regarding max tire pressures allowed. For wet or rough roads, decrease by 0.5 bar (7.5 psi). For tubular tyres, increase by 0.5 bar (7.5 psi).
Ideal tyre pressure is subject to many variables such as road surface, weather conditions, bike materials and setup, rider’s weight and lastly, riding style. The best way to fine tune ideal tyre pressures is field testing a variety of different pressures. One method is to use a short criterium style circuit, preferrable with a variety of corners.
Start with the suggested pressure and ride a lap. Each following lap, lower the pressure by 5psi until you feel the tyres start to “wallow” or move a bit. This is your lowest pressure point. Return to the above table pressures and raise 5psi each lap until the tyres start to bounce and skip/move across the surface. This is your max pressure. Decrease by 5 psi from here until you feel you have the best pressure for the conditions.
Keep a tyre pressure log, including road surface, techinicality of the course, weather conditions, tyre type, brand, and TPI. Finally, the bike you used and your weight on that day. Over time, this log will become a valuable tool for referencing tyre pressures and road conditions in order to optimize your performance when on race day.
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Executive Director: Stefan Barden.