Sapim's original Polyax brass nipples have a rounded profile, which allows up to 9 degrees of rotation for improved spoke alignment and durability. 

Brass is an excellent material choice for nipples due to its superior corrosion resistance and high strength. Silver nipples are nickel-plated for a long lasting high quality finish.

We highly recommend the use of brass nipples on wheels intended for daily training, commuter use, e-bikes, or use in wet/corrosive environments.

Technical Information:

    Weight: 32 nipples weigh 32g (12mm length); 1g / nipple
    Material: Brass
    Color: Black, silver
    Length: 12mm, 14mm
    Thread gauge: 2.0mm(14g)
    Wrench interface: standard 0.127" (3.23mm) across flats