Sapim SILS(Sapim Integrated Locking System) Polyax aluminum nipples have a special thread system to prevent loosening under extreme vibration. A SILS nipple uses a deformed thread as a locking mechanism that does not degrade over time. This design allows wheels to be trued or re-tensioned with minimal hassle.
Aluminum nipples have about one-third the mass of a brass nipple for weight savings at the rim/spoke interface.
Wheelbuilder does not recommend using alloy nipples in wet or salty environments due to their limited corrosion resistance.
- Weight: 32 nipples weigh 12.2g (14mm length); 0.38g / nipple
- Material: Aluminum
- Color: Silver
- Length: 14mm
- Thread gauge: 2.0mm(14g)
- Wrench interface: standard 0.127" (3.23mm) across flats
- Minimum order quantity is 20 pieces (price is per nipple).