KMC X8 Eco Proteq 8-Speed Chain KMC chains are known for their extremely-durable and high-quality chains that go on all types of bikes, from mountain, road and even track bikes. The KMC X8 Eco Proteq 8-Speed Chain is no exception to the expectations of what KMC has to offer. The double-X bridge shape and inner plate chamfering offer some extra-smooth and fast shifting. This chain is also stretch proof, so it's guaranteed to last. Features Eco Proteq treatment doubles the rust-resistance compared to KMC's Rust Buster treatment Double X bridge shape and inner plate chamferring for smooth and fast shifting Stretch proof SPECIFICATIONSSpeeds8Size1/2"x3/32"Chain Length116 links Chain Connector Reusable Master Link Intended Use8-spd/ Trail, am Weight286 grams | Kmc | X8Ept Eco Proteq 8-Speed Chain | Grey | 8 Speed