Risk Bicycle Tire Conversion Nut RA109
It is suitable for the modification and replacement of the valve inner nozzle and the vacuum tire nozzle lock nut. After the replacement, the locking force is greater and the air tightness is better. Smooth lines and colorful design keep you away from monotony.
Fully automatic tapping machine, the internal tooth pattern is fine without burrs, and it is smoother to use. The original bicycle nut is not easy to install, and it is easy to tighten with this long and long design. We give each product a sealing ring to increase air tightness and prevent loosening of the nut.
Forgotten what I use this for and why I purchased. Hahaha. I will though