i72 Tubeless Valve Stems 40mm Presta Pair - Brass Made with Core Remover Tool, Round Rubber Base with O-Ring for Better Sealing

Exactly as expected, the core removal tool is perfect and a nice plus

I used a pair of i72 Tubeless 40mm Presta Valve Stems to convert my MTB to tubeless. The rims I converted were not tubeless ready & had schrader to presta valve hole adapters. These adapters are like “collars” that fit into the holes that are sized for schrader valves & have a split in them to allow for compression/expansion when installing. This split allows for a massive air leak. These valves, along w/2 layers of Stan’s rim tape & Stan’s NoTube sealant, successfully sealed & converted my MTB to a tubeless setup. The valves came w/their securing nut & o-rings. These tightened down & seated securely. The cores looked & functioned properly, no issue w/removal, installation, opening or closing. Both my pump & gauge also worked w/the valves properly. I have not had any issues w/them gumming up or sticking because of the sealant. Overall, I am very satisfied w/how these valves have been functioning. Thank you for taking the time to read my review, I hope you found it helpful.

Sealed well. No issues. Included tool was useful and stays in pack

Works as advertised.

These are working very well in my WTB i35 tubeless 2.8 set up, the rubber O-rings are a plus to get that extra seal.

Was as described and shipped fast

Outstanding product at a fraction of the “price”..!

Bought Stans no tubes version, fought them for a week with no luck. I ordered theses and they worked out great for me, sealed up right away no issues. 2 months in now all good.

Easy to install and, so far at least, properly functioning, these valves were installed on wide rims for 2.8 width tires, using Gorilla Tape to seal the rims for tubeless conversion. No leakage, and no clogging, as yet; but its only been a week, so I cant yet comment on any long term experience with them.

Good stuff