Gallery: New Zipp Firestrikes, updated SRAM groupsets Check out the latest offerings from Zipp and SRAM, including a pricy wheelset and an affordable component group 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 The UCI will begin to allow disc brakes in the WorldTour this summer. Photo: Logan VonBokel | VeloNews.com SRAM Rival 22 front derailleur