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WARNING: Cancer and Reproductive Harm —
www.P65Warnings.ca.gov












Pirelli MT 21 Rallycross is the legendary DOT-approved 50/50 dual-sport tire. A block-pattern tread inspired by rally racing handles dirt, gravel, mud, and broken pavement, while DOT compliance keeps it street-legal. The MT 21 has been the go-to dual-sport tire for serious off-road-leaning riders for decades.
Fitment: 120/90 - 18 rear — DOT-approved dual-sport tire for mixed road and off-road use. Fits any dual-sport / enduro bike running this size.