Challenge Tire Gravine Pro Tire 700 x 40 Black/Tan MFPN=101301100 Often used as a cover

Often used as a cover wax or in mixes with colder waxes

Aero Chainrings for Shimano Dura-Ace R9200 cranks are available in sizes 46T to 50T to provide similar overall range to standard 2x drivetrain configurations

Italy for the 2026 Masters World Cup

interval training

Challenge Tire Gravine Pro Tire 700 x 40 Black/Tan MFPN=101301100 Often used as a coverDesigned for improved performance and traction across muddy sections and on more rugged, rocky terrains A more aggressive tread pattern designed to push the boundaries of gravel further, allowing for totally new adventures Model Gravine Pro Size 700c Width 40mm Compound Bead Folding Type Tubeless Color Black Tanwall Weight