Challenge record 200 tpi tubular tt tyre black 700c x 24mm
Technology deriving from pros time trial experience high speed low rolling resistance and added puncture protection strip pps for maximum safety and performance features usetriathlontime trial size 700 width 23 mm weight 215 gr tpi 300 bead aramid casing superpoly flat protection double pps bar 75 10 psi 105 145 color black black
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