Tyres always make a difference to how your bike rides. The Cordoba tyre from Duro offers a great value for money tyre with puncture protection. The tread on the tyre offers a solid band in the middle section so it runs smoothly on the tarmac but it also has dimpled sides to help grip when on dusty trails. Mountain Bike Hybrid Commuting tread. 26 x 1.75. Puncture Protection. Black. Clincher. Fast rolling.