The KMC X9 EPT chain is compatible with all 9-speed systems and includes a practical MissingLink. Thanks to precisely chamfered plates, the Double X-Bridge technology ensures perfect shifting and smooth propulsion in all conditions. EPT coating: KMC's non-toxic and environmentally friendly EcoProTeQ technology (EPT) provides a protective coating against corrosion. Each component of the chain is individually treated for maximum durability. Compatible with all 9-speed systems, EPT coating offers maximum rust protection, Double X-Bridge technology: plates with X-shaped design and chamfered edges for optimal shifting performance, Includes MissingLink KMC Article number: 734490 EAN code: 4715575884943 Supplier number: WRX09EPT0 Retail packaging: Yes