Schwalbe’s Smart Sams were very effective, but at 40mm don’t leave a lot of mud clearance, dry summer rides only by Paul Horta-Hopkins · 25/09/2015 Schwalbe’s Smart Sams were very effective, but at 40mm don’t leave a lot of mud clearance, dry summer rides only Share this:FacebookTwitterWhatsAppPinterestTumblrLinkedInPocketEmailRedditLike this:Like Loading...