Feature:
High Quality
The presta valve core is made of pure copper nickel plating for greater durability. And with O rubber ring, the leakage rate is reduced to 0, so that you can rest assured to use.
Environmentally Friendly
The bottom of the presta valve core eliminates the vulcanization process, which is more environmentally friendly and gives you a better use experience.
Easy to Operate.
When replacement is required, simply unscrew the broken valve core with the help of the removal tool in the kit and replace the presta valve core and cap with a new one.
Packing List:
6 X presta valves stems, 6 X core removal tools