Challenge Tires "Gravel Grinder" 38mm Tires; Reviewed by Guitar Ted. Another of the new gravel tires for 2014, the "Gravel Grinder", is a tire introduced to us privately by Challenge Tires back in February at Frostbike.
Beaver Dam Gravel Grinder June 16, 2018 Experience Nevada's 1st and only Gravel Grinder Event at Beaver Dam State Park.
Coast to Coast Gravel Grinder SAVE THE DATE: NEXT YEAR'S RACE WILL BE JUNE 22, 2019. Registration to open August 27, 2018. Race the setting sun as you cross the mighty Mitten — from coast to stunning freshwater coast.
FAQs. How much tire clearance does the frame have? The Gravel Grinder will clear 700x40mm tires with fenders installed, or 700x45mm without fenders.
EXPERIENCE LAND. Badlands adventure at its best.
Grinding across 120 miles and over 8,000 feet of elevation gain on the fast, rugged gravel roads of the North Dakota Badlands. If you like riding on Badlands singletrack, you will love grinding Badlands gravel!