DT Swiss Pro Lock Aluminum Nipples: 2.0 x 12mm Silver Box of 100. DT hidden nipples are designed for high profile rims where the inverted design is essential for optimum precision. It is very light and hidden on the inside of the rim and therefore perfectly suited for high aero wheels. The nipple will align perfectly due to its spherical contact surface.

ProLock nipples contain a special adhesive compond (Loctite) which is activated when a spoke is threaded into the nipple forming a durable bond

32 nipples weigh approximately 10 grams