The same special nipple used in ENVE carbon wheels. 10mm brass reverse nipple with SecureLock threads. Sold as a bag of 24 for easy rebuilds.
Brand: Sapim
Model: Brass Securelock
Length: 0.5
Width: 0.5
Height: 0.5
Weight lb: 0.05
Part Number: GMUS1401000 V1SL