Schwalbe Big Apple Tire - 700 x 50 Clincher Wire BLK/Reflective Performance Endurance RaceGuardSchwalbe Big Apple Tire 700 x 50 Clincher Wire Black Reflective Performance Endurance RaceGuard. The Schwalbe Big Apple began the Balloonbike trend back in 2001. Comfortable cycling without the need for expensive technology. At the time it was a revolutionary idea. Today it is a growing trend and there is now a large selection of Balloonbikes with everything designed around the Big Apple. Built in "suspension" which absorbs over 36% of vibrations at