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The Bora One 35 Wheelset is essentially a smooshed version of Campagnolo's flagship, 50-millimeter rims. They're shallower for an ideal balance of low rotational weight and wind-fooling aerodynamics that recommend them for use by cyclists who enjoy long climbs, fast flats, and blistering sprints but don't have the luxury of amassing a fleet of precisely specialized wheels. The Bora One 35 is the only one you'll need.
Like the Bora Ultras (and most of us), the Bora Ones have put on some girth over the holidays, expanding to 24.2 millimeters. Unlike our extra mass, though, those new millimeters are actually desirable on rides, producing better handling and cornering, lower rolling resistance, and a smoother ride. The wider rims also net better lateral stiffness and — in a counter-intuitive twist — actually improve aerodynamics. These gains also come with an overall weight loss since the stronger cross-section of a wider rim lets Campagnolo build a more structurally sound rim with less material.
The Bora One Wheels do make concessions to the Bora Ultra Wheels in the hubs. The Bora Ones' hubs are made from aluminum instead of carbon, and the bearings are Campy's Ultra Smooth Bearings (USB) instead of CULT. Of course, USB hubs still use legendary Campagnolo ceramic bearings, so they're a claimed 50% smoother than steel, which is the industry standard.
Along with the use of wider rims, Campy has expanded the use of 3Diamant braking surface to include all Bora models because it addresses some of the key braking issues we've all had with carbon rims in the past. Campagnolo literally uses diamonds to hone the brake track to near perfection, removing imperfections and resin so that the pads connect straight to a strip of slightly textured carbon. This eliminates pulsing and reduces the time it takes for the brake pads to grab the rim and it all but eliminates the usual breaking-in period for carbon brake strips, increasing stopping power by 40% in wet conditions and 20% when it's dry.
Campagnolo finishes off the Bora One 35s with a few more thoughtful details. The oversized rear flange nets additional stiffness for power transfer that takes advantage of the rims' aerodynamic profile and smooth bearings. The included quick releases have also been redesigned with an eye toward weight loss and aerodynamics. Returning features include the signature G3 spoke pattern, which absorbs road noise and improves power transfer, and rim balancing that offsets the nominal weight imbalance caused by the valve stem hole and associated hardware. Campy constructs and lays-up all of the carbon for the Boras in Vicenza, and every piece is x-rayed to scan for imperfections.
- Item #CPG002U
- Q & A
Is there enough tire clearance with the new 24.2 width Campagnolo Bora One rim and 25 mm Veloflex Arenberg tires on a 2014 Pinarello Dogma 65.1?