Z8.3 EPT Chain 114LThe Z8 has been upgraded from the RB treatment to the EPT treatment. EPTThe latest milestone for KMC in rust protection, our non-toxic EcoProTeQ treatment, doubles the rust resistance compared to KMC's RB anti-rust treatment. The benefits of this very smooth coating include maximum rust resistance and minimal noise.Double X Durability, unmatched chain life- KMC guarantees your satisfaction! EcoProTeQ Anti-Rust technology, NON-Directional Design: assembly of this chain is independent of direction! It allows maximum compatibility, no matter MTB or Race: this chain fits all. 1/2" X 3/32" - 114 Links, pin length 7.3mm Compatible with: 6-12-18-21-24 speed For City, MTB, Race, Trekking and Hybrid Tensile strength 1020kgf Bushless construction EcoProteQ Treated Less maintenance