challenge copertone handmade strada bianca pro Sgrassanti - Head tube: Tapered from

- Head tube: Tapered from 1-1/8" to 1-1/2"

8cc blue volume spacers x 2

- Chainring: 34T

T47 Bottom Bracket

challenge copertone handmade strada bianca pro Sgrassanti - Head tube: Tapered fromRun 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