Campagnolo uses a thumb shifter for moving down the block,which is Josh’s preference over the Shimano and SRAM methods by Paul Horta-Hopkins · 17/08/2015 Campagnolo uses a thumb shifter for moving down the block,which is Josh’s preference over the Shimano and SRAM methods Share this:FacebookTwitterWhatsAppPinterestTumblrLinkedInPocketEmailRedditLike this:Like Loading...