Say hi to billy bonkers. Schwalbe's new tire for pumptrack, dirtjump and slopestyle. This lightweight (490g Performance Line), not only rolls extremely easily, it also ensures fun loving and agile riding. If tricks and jumps get messed up, Billy Bonkers remains good natured, forgiving even egregious mistakes.Features:- Maximal micro teeth for grip on dusty and sandy ground.- Closely positioned blocks multiply the grippy edges.- Small ramps increase the speed of the tire. The result: More AirtimeSpecifications:- Inch: 20´´- Etrto: 40-406- Size: 20x1.50- Version: Performance- Seal: Tube- Type: Folding- Compound: Addix- Bar: Max. 4.5- Psi: Max. 65.0- Weight: 285 g- Epi: 67- Maximum Load (kg): 75 kgTechnology:- Performance Line: Excellent quality for intensive use.