Love riding tubeless but hate some of the hassles that go along with it? New Swiss company MilKit feels your pain, launching a new valve stem and syringe system that lets you check sealant levels without taking everything apart.
The key component of the MilKit system is the special valve stem, which incorporates a secondary one-way valve at its base. When the proprietary core is installed, the MilKit valve works as any other Presta valve stem – you can attach a pump and add air as usual, or depress the end and bleed off air as you see fit.
What makes the MilKit system interesting is what happens when you pull that valve core out. Normally, pulling out a Presta valve core (as you would normally do when seating a tubeless tyre for the first time or adding sealant) releases the air out of the tyre all at once. A secondary valve at the base of the MilKit valve stem, however, keeps the system sealed.
The key to MilKit is the secondary valve at the base of the valve stem, which keeps the system sealed even when the core is removed
Also included with the system is a syringe with a long needle – dubbed an ‘applicator tube’ by MilKit. This is inserted down through the tubeless stem through that secondary valve, allowing you to pull out the sealant inside to check on the remaining volume and condition. From there, it’s easy to inject that sealant back in or add more as needed – all without letting any air out of the tyre.
You can read more at BikeRadar.com
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