Schwalbe big ben mtb tyre raceguardboasting raceguard technology for puncture protection you can rely on, low rolling resistance and comfort on rougher terrain, schwalbe brings you its big ben mtb tyre. Ready for all surface types, it's even e bike compatible to withstand the extra torque from bikes with powerful electric motor assistance.features  tyre type clincher  bead type wired  compound endurancecasing raceguardskin light skinpressure 2.50 5.00 bar 35 70 psiepi 67profile hs439certification ecer75maximum load 130kgtubeless compatible noweight 745g 26oztechnologiesraceguard puncture protection level 4 a double layer of nylon fabric. Good protection for light and sporty tyres.e bike ready 50in standard pedal assisted e bikes that have motor assist up to 25km h, there is no legal requirement for a special tyre. But even with these bikes, loads and average speeds are higher than in regular bikes.buy schwalbe wheels tyres from chain reaction cycles, the world's largest online bike store.