The bottom line I love the Veloflex Corsas. They ride like a tubular, are lightweight, and seem to have decent puncture resistance. They inspire confidence in corners, and allow you to really push. Veloflex are the people who once made handmade tires in Italy for Vittoria. When Vittoria moved production to Asia, the Italian craftspeople began their own company. Highly recommended.
The long review Bought the Veloflex Corsa 700 x 23 size to fit my old-school, narrow (13.1 mm inner width) Mavic Open 4 CD rims, and paired them with high-pressure cloth rim tape from Schwalbe (15 mm), and the Michelin A1 Airstop butyl inner tubes (700 x 1825), which I also bought from BikeTiresDirect. I'd considered a number of other tire brands, but I'd once had a bike with tubular tires and loved the ride, and I kept hearing that Veloflex clinchers roll like tubs. I strongly considered latex or lightweight butyl tubes to take full advantage of the ride quality that Veloflex was said to offer, but because I ride primarily on city streets in Houston, Texas, and didn't want to add air daily, I went with the slightly heavier A1 butyl tubes, with the shortest valve stem (40mm) available.
First, the negative - Veloflex strongly recommends using no tire tools, and the Corsas were quite difficult - no, make that extremely difficult - to get on my Mavic rims without tools. I managed, but it's not easy. Not only is the fit tight, but the shape of the tire is perfectly flat, since the tread is glued on, rather than undergoing a vulcanization process that hardens and stiffens the tread and casing, and gives it a U shape. The flatness of the Veloflex made installation considerably more difficult. I ended up buying a Kool Stop Tire Bead Jack when I remounted one tire, and it worked amazingly well, and was easy to use, the Kool Stop somewhat mimics using bare hands, only with more leverage. The tires are supposedly easier to mount after the initial fitting, but that hasn't been necessary yet.
Now...for the positive - the Veloflex Corsas roll far better than any clincher tire I've used before, and seem very competitive in ride quality with tubulars, even with the butyl tubes. I wouldn't change anything I'm using, were I to start over again. The tires are quite light, feel fast, and are amazingly quiet, too. Veloflex uses natural rubber in the compound, and a soft, flexible, high-threadcount casing - they're essentially tubular tires with beads, rather than being sewn together on the underside like a true tubular - and the combination makes for a ride quality that's noticeably better than most clinchers, even in the narrow 23 mm width (Veloflex tires are honestly sized, a 23 is a 23, and a 25 is a 25 on appropriately sized rims). The grip is excellent, and encourages one to push in corners, too. I bike for fast recreation and fitness - I'm a cycling enthusiast, but I don't race - so I'm not interested in saving the last watt or two in rolling resistance, and aerodynamic drag provides most of the resistance at speeds above about 12 MPH anyway. Racers are probably looking at tubulars or tubeless tires anyway. (By the way, while the trend is toward wider tires, many cyclists use them with narrow rims, and that produces a lightbulb effect that hurts aero drag. So, use wider rims with wide tires, if you have narrow rims, use narrow tires.)
I haven't put enough miles on the Corsas to know how they'll last. Based on reviews, most riders find puncture resistance to be surprisingly good initially, at least in the dry, but the tread isn't as thick as some tires, and once the rears acquire about 1500-2000 miles, they get pretty thin and are subject to punctures. (The fronts are said to get close to twice as much wear as t
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