Gallery: Campagnolo unveils 2015 groupsets Logan VonBokel gives us a closer look at the new offerings from the Italian component maker Published Jun 23, 2014 Logan VonBokel Share Share to Outside Feed Create a new post with the article attached Copy link Email Share on X Share on Facebook Share on Reddit Photo: Logan VonBokel | VeloNews.com Campagnolo employs a Hirth joint to connect the two crankarms in the center of the bottom bracket. Photo: Logan VonBokel | VeloNews.com