Developed and tested at the Grand National Cross Country Series, the SI's race-proven tire construction delivers excellent traction and maximum durability in soft/intermediate conditions. - Maxxcross SI is a go-to tire for our GNCC and WORCS pros - Anti-flex knob bridges on side lugs offer solid straight-line stability and enhance grip for aggressive cornering - Race-proven rubber compound delivers excellent traction and durability in soft/intermediate conditions on the motocross track or off-road PART #: TM19810000 POSITION: Front SIZE: 60/100-14 LOAD SPEED RATING: 30M MAX PSI: 32 RIM SIZE (IN): 14