About Challenge Gravel Grinder Pro Open Tubular Folding Tyre
The Challenge Gravel Grinder Open Tubular Folding Tyre is designed to take on gravel roads to deliver a secure performance.
Created to inspire off road confidence, the knobs of tread on the edges of the tyre hold tight to the ground and the low profile centre decreases rolling resistance for efficient pedalling.
Designed for all round gravel
Tread pattern designed to increase grip and inspire confidence in loose gravel conditions
Use: All Around Gravel
Tire Width: 36 mm
Rim Width: 17-23 mm
Flat protection: Double PPS
Color: Black, Black/Tan
More About The Manufacturer Challenge
Founded by Max and Alessandro Brauns and in 2003, Challenge Tyres builds on over 20 years' experience making tyres for the cycling industry. They offer a complete range including track, road, time trial and cyclocross. Their 'cross tyres have been the choice of world champions Erwin Vervecken and Zdenek Štybar thanks to their combination of durability, grip and ride quality.