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Estas tuercas se utilizan para adaptar llantas con apertura de válvula Schrader a los vástagos de válvula Presta
Hecho de aleación de aluminio. Resistente, duradero y reutilizable.
Con juntas tóricas para sellar y garantizar un compromiso con carga forzada.
Se vende como 2 piezas (un par) para una instalación de bicicleta.
Viene con una herramienta de llave multifunción para facilitar la instalación
Justin McClure
Comentado en los Estados Unidos el 5 de enero de 2025
Easy to install and use. Not sure if they were completely necessary, but better safe than sorry.
P. Jalosky
Comentado en los Estados Unidos el 14 de octubre de 2024
This product did allow me to use a Presta valve tube I had on a Schrader valve rim. They just don't tighten enough and a slight gap remains where the valve enters the rim. There are probably better ones available.
Vincenzo D.
Comentado en Canadá el 30 de enero de 2024
It's rather pricey but it does the job well.I'm happy with it. The presta valve does not move whatsoever.
Thomas O'Hara
Comentado en los Estados Unidos el 20 de julio de 2023
I like the idea and the execution of this product. The one down side is that the little o-rings are pretty fragile and ended up breaking after getting squished. The threaded pieces are machined to fit into the valve stem hole in the rim to fill up the gap and center the presta valve in the schrader valve hole.I ended up using the standard presta valve nuts as a lock not on top of these adapters. That is probably not necessary but it seemed to be worth doing to me.I found that I didn't need the little wrench as I was able to tighten the nuts by hand easier than using the wrench, but there may be use cases where the wrench is needed so it is good that it is included.
Salt Lick
Comentado en los Estados Unidos el 12 de abril de 2023
Its probably not a deal killer to change from Schrader tubes to Presta tubes, with the small gaps in the rim, but since you are tightening down Presta valves down against the rim anyway, why not fill that tiny gap around each stem so you don't have to worry about it.These come with little gaskets and a tiny wrench that I just zip tied up under the saddle of the bike on the off chance I'll have to take them off during a rideGreat little products, highly recommended
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