specialized giant cube cannondale felt-bikes shimano endura altura
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    • With the Grand Prix Supersonic your contact with the road can be tuned to minimum weight and minimum rolling resistance.
    • Together with a Race 28 Supersonic inner tube, our quickest tyre and tube set weighs only 200g!
    • The slick rolling area made out of a carbon black mixture looks great and is of course made using the Black Chili recipie.
    • A very apt weapon in fighting for personal best time, although for this extra speed the tyre does not feature any additional puncture protection and has limited mileage use.
    • Not for training
    • Handmade in Germany
    • Weight: 150 grams

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