Description

With a fast-rolling diamond center and aggressive shoulder knobs, the hand-built Challenge Gravel Grinder Pro tubeless tire delivers traction and ride quality—even when the terrain turns sketchy.

Features

• Handmade tire combine many attributes for comfort and low rolling resistance
• PPS2 is a Puncture Protection System placed between the tread and casing—plus an additional layer inside the casing—to increase puncture resistance
• Puncture protection is enhanced when combined with the appropriate tubeless sealant (not included)
• Gravel-specific SuperPoly Corazza Armor casing uses a double SuperPoly layer for durability and stability
• Ideal for use on hardpack, gravel, loose, sandy or rocky terrains
• Note: Tire images shown may not reflect size/color/material options available on this page