tips for preventing bicycle from slowly blowing in cold weather:
1 apply the glue evenly on the bicycle valve core, and pay attention not to let the glue block the air hole.
2. After painting, install the valve core on the bicycle immediately, so as to prevent slow venting.
principle: the valve core of bicycle is made of synthetic rubber. When it’s cold, it will shrink, so it can’t seal. And glue is the cold shrinkage of the gap stuck, natural problems are solved.