Trial Light?Updated casing design improves lateral stability in corners compared with earlier Michelin trials tiresTrial X Light? rear is more than a pound lighter than its predecessor, reducing unsprung weight, for improved suspension response and maneuverabilityCompatible with low air-pressure settings recommended pressures for trials use: 6 psi front, 5 psi rearRedesigned bead area increases sidewall rigidity to reduce tire movement on rim, even at very low air pressureMaximized Contact Patch casing for better grip on loose surfaces and when corneringMore flexible tread area for better grip on obstacles and rocksTube type (TT)M-rated for speeds up to 130 km/h (81 mph)CONSTRUCTIONR (Radial)LOAD/SPEED INDEX64MMARKET SEGMENTOffroadPOSITIONRearPRODUCT NAMETireRIM DIAMETER18SECTION WIDTH4.00STYLETrialsTIRE SIZE4.00-18TREAD PATTERN/MODELTrial LightTUBE TYPETubelessUNITSEach