Mavic UST Rounded Valve

- UST compliant tubeless valve with removable valve core for easy sealant installation.
- Mavic recommends that UST valves must be changed once a year to ensure the sealing of the UST systems.

Two versions are available:
- Round stem compatible with 2012 and beyond Crossmax SLR, ST and SX and 2013 Crosstrail, and:
-Square stem for older wheel versions