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90° valve stem for use with tubeless wheels. Uses an 8mm mounting hole. Commonly used on Marchesini and Alpina wheels. Also great for DIY tubeless conversions.
Please note, Alpina and other spoked wheels may require some minor filing to fit around the dimpled holes on the rim. This will allow the o-ring to sit flush against the rim. If you need assistance with this, just email firstname.lastname@example.org