02-19 HONDA CRF450R: Dunlop Geomax MX71 Front Tire Size: 90/100-21 Style: Offroad Color: Blackwall Warranty: Every new Dunlop motorcycle tire that becomes unserviceable within six years or 72 months of the date of manufacture for conditions other than those which are listed under "WHAT IS NOT COVERED" on Dunlop's website will be replaced on the basis specified under "REPLACEMENT COST" also on Dunlop's website.