Donnelly Sports EMP Tire – 650b x 47 Tubeless Folding Black/Tan. The big news from Donnelly is the upcoming EMP gravel tire which pulls its name from the airport code for Emporia Kansas home of a kinda popular gravel race that crushes souls every year. The tire is a departure from their usual tread design getting a tighter tread block pattern without a well-defined center strip like most all of their other tires. Its still designed to roll fast which is key if youre racing any long distance gravel bike event but with bigger side knobs to handle more aggressive cornering.

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