Connex-Wippermann chain model 9SX - the top model of the 8-speed chains from Connex with stainless steel inner links for up to 40% longer service life due to extreme wear and weather resistance. In addition, there is effective corrosion protection through nickel-plated link plates. Suitable for all 9-speed drivetrains, chain size: 1/2" x 11/128", pin length: 6.6mm, width interior: 2.2mm, pressure: 2000 N, pin hardening: XHB, length: 114 links incl. link connector “Connex Link”, weight: approx. 279g. Suitable for ATB/trekking, city/touring, mountain bike and road bike.