The Schwalbe Land Cruiser as always is ready for any terrain. Schwalbe BILLY BONKERS 26 x 2.10 CLASSIC WALL Dirt Jump Bike TYRE s TUBE s. 26" MTB Tyres. PRAM TYRES & TUBES. Much more than just a basic quality, the foundation of all Active Line tyres is a high-quality 50 EPI carcass.