12-speed Black finish with gold highlights  Precision made in Germany using long-lasting, heat-treated steel with a corrosion resistant, industry proven Ultra-Black coating and Golden brass highlights.100% industry proven, the Ultra-Black Coating on the plates of this chain ensures optimal corrosion protection. In combination with the gold coloured Power Pins and Rollers, the 12sB looks fabulous.  Specially developed to meet the requirements of the latest generation of high-performance shifting systems*. The optimised geometry of the inner link lends the chain exceptional wear properties. The Connex Speed Wing link shifting performance on current 12-speed shifting systems is extremely fast and quiet. (*Note: Not compatible with SRAMâs âFlatTopâ 12 speed system)