Schwalbe Racing Ralph 27 1/2x2.25 folding tyre w/ Triple Nano Black 555g (57-584) 2009 (Red, 27.1/2x2.25)

Schwalbe Racing Ralph 27 1/2x2.25  folding tyre w/ Triple Nano Black 555g (57-584) 2009 (Red, 27.1/2x2.25)The most successful competition tyre. “Sharks tooth” u-block tread for aggressive gripping. Lower weight and rolling resistance.