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Amazon.com : Stans No Tubes 44mm Presta Universal Valve Stem (Carded Pair for Road) : Bike Tubes : Sports & Outdoors
i72 Tubeless Valve Stems 36mm Presta Pair - Brass Made with Core Remover Tool, Round Rubber Base with O-Ring for Better Sealing
SOLIGAR Válvula Tubeless para Bicicleta de Montaña MTB 40mm(2 Pcs)-Bicicletas de Carretera sin Cámara con Obus Extraíble - Fácil llenado de Líquido Antipinchazos - Núcleos de Válvula Presta (Azul) : Amazon.es: Deportes
Amazon.com : LITEONE Tubeless Value Stems 40mm Premium No Leak Tubeless Presta Valve Stems Kits with Integrated Value Core Remover Tool and Valve Stem Caps Fit Most Bicycle Tubeless Rims Pair Black :