As with Campagnolo wheels, there's a non-pierced rim bed, which means no tubeless tape is needed, saving yet more weight. The wheels are hooked and can be run with tubes or tubeless. They're stiff and ...

Fulcrum has today launched its brand-new Speed 25 wheelset, designed to maximise climbing performance, and is celebrating the launch with a 10-day Strava challenge that offers a chance to win a set.