Features:Updated casing design improves lateral stability in corners compared with earlier Michelin trials tiresRear is lighter than previous model, improving suspension response and maneuverabilityWorks well with low air-pressure; recommended pressures for trials use: 5 psi rearBead design reduces tire movement on rim - even with low air pressureMore flexible tread and bigger contact patch produces better grip on obstacles and rocksSidewall ID Information:Michelin Trial X Light 120/100R-18 M/C 68MDimensions:Inflated Width/Measuring Rim Width: 5.16 inch/2.75 inchInflated Diameter: 28.54 inchAcceptable Rim Width(s): 2.75 inchDeepest Tread Depth: 16/32 inchBalance Dot: NoDirectional Arrow: NoSpeed Rating: M-Rated up to 81 mphCapacities and Construction:Load Capacity/Inflation Pressure: 694 lbs/ 33 psiLoad Range: BBias or Radial Ply: RadialTread Plies/Material: 2 PolyesterSidewall Plies/Material: 2 PolyesterDOT Approved for Road Use: NoTube or Tubeless: EitherSpecs:TIRE SIZE: 120/100R18 TT/TLPOSITION: RearTIRE WIDTH: 120 mmRIM SIZE: 18 in.RATIO: 100CONSTRUCTION: RadialNOTES: TL/TT