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  • Product Description

    Alloy Presta Valve Extension, Hex Key Fiiting, Non-Slip pump fitting

    The simple way to ensure that you don't get caught without a spare inner tube for your deep section Aero rims.

    These simple but functional lightweight retro-fit adaptors will convert a standard length Presta Valve into a usable XL valve.

    The clever Woodman designed exterior profile allows for most press-on high pressure pumps to inflate without slippage.

    Simple to fit:

    • Threads onto standard type Presta valve as a normal valve cap would do, and features an internal hex-key recess to fully tighten.
    • To install, release the knurled Presta valve lock 2/3s of the way along it's spindle - as you normally would to be ready for a pump to be used, and install the extensions onto the valve.
    • (Existing air pressure will naturally keep the valve closed and air tight - as it does with other types of valve - and pump pressure will open the valve to inflate.)


    • Lightweight, precision CNC alloy.
    • Anodised Black or Red finish
    • Size options: 48mm or 72mm.