Tufo 700X23 C Elite Ride 25 Tubular-Clincher Tire Provides the ride quality and rolling resistance of a tubular tire but mounts to a regular clincher rim. Silica + VP SI 363 tread compound provides extremely low rolling resistance. Overlapping sidewall construction and puncture proof ply make this tire very flat resistant. Inflates to 6-10 bar (90-145 p.s.i.) 210 T.P.I. / 355g