What Our Gearhead(R) Experts Are Saying:"I run the full Silca tubeless system on both my road and gravel bikes and the Ultimate Tubeless Valves are the piece that ties everything together. The 4mm hex interface makes installation clean and torque controlled without any guesswork, the threaded aluminum cap doubles as a core removal tool which is genuinely useful mid-ride, and the insert-compatible design means I did not have to hunt for a different valve when I added foam inserts to my gravel setup."A tubeless setup built on quality components deserves a valve that matches, and the Silca Ultimate Tubeless Valves were designed to be exactly that. Precision CNC machined from aluminum in both 50mm and 70mm lengths to suit modern deep section and standard rim profiles, these valves bring the same standard of engineering to the valve position that the rest of the Silca tubeless system brings everywhere else. The 4mm hex interface gives you tool-controlled installation without the guesswork of hand tightening, the low profile lock nut sits cleanly against the rim, and the threaded aluminum valve cap does double duty as a core removal tool when you need it. Insert compatibility covers most tire insert systems, making these the right choice whether you are running a standard tubeless setup or adding foam for added flat protection on rough terrain.