Technology deriving from pros39 time trial experience high speed low rolling resistance and added puncture protection strip pps for maximum safety and performancefeaturesusetriathlonsize 700width 23 mmweight 215 grtpi 300bead aramidcasing superpolyflat protection double ppsbar 75 10psi 105 145color black blackopen tubular differ from traditional clinchers for the construction the tyre is produced just like a tubular and uses the same materials and production process instead