specialized giant cube cannondale Mavic Castelli endura altura
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  • Product description

    20mm, 40mm and 70mm extensions - To extend standard valves when using deep rims. Be sure to use tubulars or inner tubes with a Presta valve using a removable core.

    Key Features:
    • Aluminium
    • Adds 20mm/40mm/70mm of length
    • Weight -1.5g(20/40mm) -2.5g (70mm)
    • Set of 2
    • Includes removal tool

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