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. The nipples are replacing Sapim's SILS nipples.