Teravail Cannonball Tire – 650b x 40 Tubeless Folding Black Durable. Cannonball is a go-to gravel race tire for normal conditions. The tread pattern features a directional tight-knit center tread that sheds dirt and debris to decrease rolling resistance and side knobs for effective cornering traction. Cannonball is built for all-around gravel riders and racers.

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