challenge copertone handmade strada bianca pro Sgrassanti Some training and performance features

Some training and performance features require a compatible heart rate strap

8cc blue volume spacers x 2

The 5SRS SQUADRON model meets or exceeds the requirements of the European ECE 22

or MoMag™

challenge copertone handmade strada bianca pro Sgrassanti Some training and performance featuresRun at full speed or simply get off the beaten path. The Strada Bianca combines Challenge's proven herringbone tread with a larger volume and a gravel specific construction to comfortably take you over less than perfect surfaces. This is the tire for rough roads, hard packed dirt, and most dry gravel surfaces. This handmade tire combines a flexible 260 TPI SuperPoly casing with a natural rubber tread for long distance comfort, cornering safety, and