DT Swiss Pro Lock Brass Nipples: 1.8 x 12mm Black Box of 100

ProLock nipples contain a special adhesive compond (Loctite) which is activated when a spoke is threaded into the nipple forming a durable bond. Color Black Material Brass Spoke Diameter 1.8 Length 12 Defined Color Black Weight 937.5 Size 1.8X12mm