Fixies, Singlespeeds and urban bike tires:- Black rubber Chili and profile like the top of the range GP4000S road tires- PolyXBreaker puncture protection, derived from the automotive- black reflective stripes that provide visibility at night while maintaining the sporty design of the tire-One of the lightest products on the market with 350g.A high performance comfort tire with a modern design, excellent puncture protection and the safety of reflective strips.