Is the valve core removable so a valve extension can be attached?

I just installed one, the only readily available tube that was close to fitting my ENVE 5.5 wheel, which needs an 80mm stem. The SmarTUBE has a 60mm stem. The valve cores are not removable, so if you need an extension to the stem, it will have to be a harder-to-find Cap or Synchronous external extension. Also, the stem is plastic and not threaded for a retainer nut, so if it is a marginally usable length with your wheel, care must be taken that the stem doesn't get pushed down into the rim when adding air. This one worked for getting home, but will end up as a take along spare, and I will need to find either a removable core TPU tube, or one with an 80mm stem, or stick with butyl or latex tubes.

can this be used on disc brakes?

This is just the tube that goes inside the tire. The brake type does not matter (rim vs disc). You can use it on either.

Can't this be used on a 23mm tire

This may sound counter intuitive but a wider tire would actually reduce your rolling resistance by 10% and using these tubes will help even more. Back on the tires 23 are good but using either 25-28 will be better because you can drop pressure from 124psi on a 23 down to 94psi on a 25 tire.

How do you patch these tubes?

Pirelli (and Schwalbe) TPU tubes can be patched with the TPU-specific patch kit that Tubolito sells. The glue takes 30 min to dry, so don't count on it for a quick roadside repair. The patch is basically a little piece of the same material as the tube. You also need to use an alcohol prep to clean the tube first, a few are included in the kit. Park Tool says their testing showed that their glueless patches would stick to a Schwalbe Aerothan TPU tube. That should hold for Pirelli or Tubolito as well, so I bought some to try but I have not needed to use them yet.

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🚴‍♂️ Elevate your ride with the tube that pros trust—light, tough, and race-ready!

PRO TEAM PROVEN - Used by World Tour teams with P Zero Racing TUB tires—join the elite peloton.
COMPACT EFFICIENT - Up to 50% more compact, making tire changes and storage effortless on the go.
PRECISION VALVE DESIGN - 60mm Presta valve ensures seamless compatibility with DISC & rim brakes for professional setups.
RACE READY LIGHTWEIGHT - Up to 70% lighter than traditional butyl tubes for unmatched speed and agility.
DURABILITY MEETS PERFORMANCE - Advanced TPU material delivers superior elasticity and puncture resistance to keep you rolling.

The Pirelli P Zero SMARTUBE 700x23-32C is a cutting-edge TPU inner tube designed for serious cyclists seeking ultra-lightweight performance and enhanced puncture resistance. Featuring a 60mm Presta valve and compatibility with DISC and rim brakes, it pairs perfectly with P ZERO series tires, including those used by World Tour teams, delivering professional-grade reliability and speed.

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Model Number	336006001
Color	Black
Size	700x23/32c
Material	polyurethane
Wheel Size	60 Millimeters
Batteries Included	No
Diameter	70 センチメートル
Target Audience	Jr, Men's, Women's

Pirelli P Zero SMARTUBE 700x23-32C Presta 60mm

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