Reserve is rewriting the future of tubeless tire systems with the introduction of Reserve Fillmore, a completely new take on tubeless valves. This new, high volume design allows triple the airflow, while its revolutionary self-clearing poppet eliminates clogged valves. Finally, its threaded cap allows you to back-off and air down to the perfect tire pressure with micro-adjustable precision.
Compatible with Presta pump heads and most sealant injectors, Fillmore is backward-compatible with whatever you got, and forward-thinking in every way. Made for mountain, gravel and 'cross rims up to 28mm deep
Direct-Inject: Coreless design for no-fuss injection of sealant
High Flow: 3 X airflow makes seating and inflating tires a snap
Micro-Adjust: Airs down to the perfectly dialed tire pressure
No Clog: Eliminates clogging and busts through dry sealant
Presta Med 41-55mm
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I had one set of Fillmore valves previously, and they are great for getting lots of air in a tire quickly and eliminating clogged valve cores.
It's worth noting that you may not be able to inject sealant through the valves with your syringe (I've seen it done on YouTube, but I made a mess when I tried). That isn't a problem for most gravel and MTB tires, but maybe not the best for road tubeless tires that are hard to mount and unmount from the rim.
Pretty expensive, but they could be worth it for your particular application.