BSD Donnastreet Tire padset like all Park Tool products

like all Park Tool products

Heat-treated 4130 chromoly arms with rectangular cross section for increased stiffness

Features a hinged clamp

Made in the USA from butted ThermalX tubing

Made from 6061 aluminum with a welded seam and taller

BSD Donnastreet Tire padset like all Park Tool productsAlex Donnachie signature tire. Based on the same proven rubber as the popular Donnasqueak tire, but with an all around smoother tread for more grip and sidewalls that sit further around the side of the tire wall for better grind performance. Smooth centerline for low rolling resistance. Extra grippy and super squeaky compound. Tear resistant silkworm casing. Max 110 PSI. Weight: 24. 34 oz (2. 3")