After long-period testing by the major clients, the results where very impressed and remarkable. The Titanium Chain Series are made of Titanium Material, and also are processed with Ni-PTFE Teflon Coating ,SLA Superior Lubricating Aid and DHA lightest Chromium Carbide Hardened Treatment. All of these production procedures made the Titanium Chain Series not only the lightest chains but the best chains. Extremely lightweight, Outstanding Durability, Smooth Shifting and Noiseless are the main characters of YBN Titanium Chain. Its Outstanding Durability is about 6000Km~8000Km and the Lifetime is twice as long as normal chain.