All it takes is one push of the pedals to feel the traction and blink-quick acceleration of Mavic's Yksion PowerLink Tubular. Specially crafted with a supple, road-conforming 290 TPI casing and a dual-compound tread that boasts a super-firm center and softer shoulders, this rear-specific tubular enhances straight-line speed and power transfer for a premium ride. What's more, it features a kevlar-reinforced casing and a puncture-resistant nylon belt to keep flats at bay. 700x23mm, black.