Item Description
All have chamfered link plates for optimum shifting performance ConneX-9s1: hollow pins with stainless inner plates and nickel coated outer plates, 275g @ 110 links ConneX-9sX: stainless inner plates with nickel coated outer plates, 290g ConneX-9sB: "Black edition" with ultra black-coating of the plates, ensuring optimal corrosion protection ConneX-920: PTFE (blue) coated outer plates for reduced friction, 290g ConneX-908: nickel coated inner/outer link plates, 290g ConneX-900: corrosion-resistant steel link plates, 290g Includes conneX 9-speed (6.5mm) spring-clip connector

Item Specifications
model: ConneX-9sB use: 9sp size: 11/128" width (pin/roller): 6.6/2.2mm links: 114 color: black/nickel :