KMC's TI-N E-Bike chain with 130 links and reinforced riveted joints is optimized for 12-speed shifting systems and provides excellent shifting performance due to the Triple-X design. Non-Directional. Specification 1/2" X 11/128". Pin Length: 5.2 mm. 130 Links. Weight: 272 grams. Colour: Gold. Hi-Performance. Triple X-Durability. E-Bike. Non-Directional. Titanium Nitride Gold coated. SRAM MTB and Shimano rear 12-speed derailleur systems.