Challenge Gravel Grinder Pro Handmade Tubeless Ready Tyre

The Challenge Grinder Pro 700x40 tubeless ready gravel tyre is designed for riding on hard dirt tracks, gravel and wide, sandy routes. It is also suitable for cyclocross.

• Fits without an inner tube: tubeless ready for riding at lower pressures
• PPS2 puncture protection to reduce the risk of punctures on gravel and dirt tracks
• 260 TPI SuperPoly casing, designed for a supple, fast-rolling tyre
• Suitable for gravel riding on hard and sandy surfaces, also usable for cyclocross
• Size 700x40, tan colour: check that your wheel and frame accommodate this width

Technical specifications

• Size: 700x40
• Colour: Beige (Tan)
• Casing: SuperPoly
• TPI: 260
• Tubeless: Tubeless Ready
• Puncture protection: PPS2
• Intended use: Gravel, on hard surfaces with gravel or wider, sandy routes; also usable for cyclocross