The newly patented Secure Lock nipple of Sapim is a locking mechanism that prevents nipples from untightening. The advantages of this easy locking system are:
Can be used on truing machine
No loose function while truing the wheel
Available on most current Sapim nipples
Easy to recognize
Highly precise and accurate machines have specifically been developed to produce this type of locking system. They ensure stable and well defined deformation on the thread.
