Sapim Alloy Polyax Nipple 14G 12mm Silver - Lightweight Aluminum Spoke Nipples for Bike Wheel Builds Formulation__ yet still lighter than using

yet still lighter than using tire inserts

- Material: Durable

maintenance-friendly bottom bracket capable of handling the rigors of aggressive riding styles

Innovative & Differentiating Features: Featuring high absorbency and tear resistance

Sapim Alloy Polyax Nipple 14G 12mm Silver - Lightweight Aluminum Spoke Nipples for Bike Wheel Builds Formulation__ yet still lighter than usingPolyax design features a round shape of the head that works like a ball joint between the rim and nipple ensuring a better spoke nipple line . Aluminum: 7075 T6 aluminum, special coating on thread and nipple surface to further reduce corrosion and reduce friction between spoke nipple and nipple rim . Brass: black or nickel coated