Using competition rubber compounds, sourced from Michelin road bike tyres, the Pilot SX features a tread pattern intended for racing on soft tracks or in autumn/winter conditions. The tyre is tubeless ready (TLR) to reduce weight and improve rolling resistance by around 15 to 25 percent compared to the same tyre running with an inner tube. It comes with a robust three layer 60 TPI casing to resist damage, improve durability and cope with tyre pressures of up to 5 bars. Tubeless Ready Tubeless Ready technology reduces rolling resistance for optimum performance. More Momentum The Michelin Pilot SX has been designed to give more grip in turns, particularly on hard packed terrain and dirty tarmacs. table.MICspec { border-collapse: separate; border-spacing: 4px; } td.MICheader { background-color: #F6EA00; padding: 10px; text-align: center; font-size: 10px; font-weight: 800; } td.MICsku { background-color:#D9D9D9; padding:10px; font-size:8.0pt; color:blue; font-weight: 800; text-align: center; text-decoration: underline; } td.MICspec { text-align: center; font-size: 10px; padding: 10px; background-color: #f3f3f3; } Specification SKU DISCIPLINE TERRAIN TYPE BEAD SEALING ETRTO SIZE FITTING TPI WEIGHT CASING TECH MIN PRESSURE (BAR) MAX PRESSURE (BAR) RECOMMENDED INNER TUBE MIC-240271 BMX HARD PACKED,CONCRETE,MIXED FOLDABLE TUBELESS READY 44-406 20" X 1.70" FRONT/REAR 4X120 400g TUBELESS READY 2 5 G4 MIC-945478 BMX HARD PACKED,CONCRETE,MIXED WIRE TUBELESS READY 37-406 20" X 1.50" FRONT/REAR 4x120 350g TUBELESS READY 2 5 G4 MIC-764428 BMX HARD PACKED,CONCRETE,MIXED WIRE TUBELESS READY 37-451 20" X 1 3/8" FRONT/REAR 4x120 400g TUBELESS READY 2 5 G4 Technical Information