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Sapim's original Polyax nipples have a rounded profile, which allows up to 9 degrees of adjustment for better spoke seating. Improved seating angle increases spoke life and overall wheel durability.
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Developed for special truing machines, the nipple is able to be trued using either an internal or external spoke wrench. Nipples are available in 16 and 18mm. (16mm similar to standard 12mm and 18mm similar to standard 14mm)
