This item may be available in a different size, colour, scent, version or platform:
SCHWALBE Black Jack Active Line Tire, 24x2.1-Inch
Features KevlarGuard (KG) flat protection
Wire bead design
SBC: Schwalbe Basic Compound: Versatile quality compound for all applications
Lower weight, lower rolling resistance, better grip. It slices through terrain with its "sharks-tooth" U-Blocks that make it grip much more aggressively, particularly in curves.