IMPAC is the name economical tire range that have been produced by SCHWALBE to compete with other economical tire brands, which quality isn't always very high. IMPAC can offer better quality at low prices. The Impac Tourpac is a good value touring tire with a universal pattern: smooth center for speed and knobby sides for grip on corners. Perfect for 28" city and trekking bicycles. Low rolling resistance and good grip both on light offroad and city roads.
Size: 28x1.40 (37-622)
Weight: ~ 670 g