The Schwalbe Black Jack 20 x 1.90 Inch Tyre is ready to face up to varied terrain. At ease on rocky paths, thanks to its excellent grip, it is also equally effective on smoother terrain thanks to its weak rolling resistance. What better for practising all the joys of mountain biking?
Bead : Rigid
Colour : Black
Dimensions : 20x1.90
ETRTO : 50-406
Wheel Sizes : 20"