![Schwalbe Marathon Racer 20x1.5](http://store.bicycleman.com/cdn/shop/products/la_12swb_mara_racer_{width}x.jpg?v=1383144172)
The fastest Marathon ever! Now even lighter and faster. Pure skin side walls and the Speedgrip compound have further reduced weight and rolling resistance. A RaceGuard® belt protects against punctures. This belt was developed specially with racing in mind.