RIM GROMMET SUNLT SVtoPV ADAPTER RUBBER
3 of 3 people found the following review helpful.
By Michael Kim
These are meant to go on the inside of your rim. The best way to put them in is to put them on your presta valve first, then put them into the hole. That way they won't push through. They are a good fit and should help protect your inner tube from the mythical "schrader hole blowout."
2 of 2 people found the following review helpful.
By Yffup
These grommets work well if treated like a rubber grommet - which is exactly what they are. A little liquid soap helps ease the grommet into the rim and allows the presta valve to pass through the grommet without dislodging the grommet. Remember to insert the grommet from the spoke side of the rim (concical end faces towards the outside of the rim) and do not overtighten the nut on the presta valve once the tyre is inflated. If you are careful you can even insert the grommet with the tyre inflated. Good product
2 of 3 people found the following review helpful.
By one guys opinion
I needed these for a misrepresented pair of wheels I purchased on eBay. One presta, one schrader.
The shipper shipped them very quickly with quality packaging, so I like the shipper. The grommets themselves are too soft to stay in. They are made of soft rubber so they insert really easily. However, when you try to push the presta stem in, they hold onto the stem more than the schrader hole in the rim and are pushed out by the stem. I will likely buy the metal ones and toss these, or put a locking nut on the presta stem inside of the rim and another outside the rim.
They may work better with a non-threaded stem.
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