Schwalbe BILLY BONKERS 20x2.00 pieghevole nero/Classic-Skin Performance Line Caratteristiche Pneumatico pieghevole  BILLY BONKERS, 20x2.00 (50-406), nero/Classic-Skin, Performance Line, ADDIX, 67EPI, HS600, ca. 355g Schwalbe BILLY BONKERS 20x2.00 pieghevole nero/Classic-Skin Performance Line