Vittoria A Dugast Pipistrello Tire - 700 x 33 Tubeless Folding BLK/Para Cotton 2C + NeopreneVittoria A Dugast Pipistrello Tire 700 x 33 Tubeless Folding Black Para Cotton 2C + Neoprene. The A Dugast Pipistrello is a top performing tire for deep sand or extremely fast hardpack surfaces. The open diamonds allow you to maintain a good grip on both a sand and a grassy surfaces. The two lines (radius control) on the side ensure that the tube has a cutting effect on sandy surfaces. Cotton casing with 240 TPI count offers excellent puncture