## 428NZ Drive Chain DID - Strength and Reliability for Motorcycles up to 100cc The 428NZ drive chain from renowned brand D.I.D is the perfect choice for motorcycles up to 100cc, providing excellent performance and long service life. The NZ model, a professional sports chain, replaces the reinforced version, offering even better parameters. ### Advanced Technologies for Maximum Durability The use of a seamless chain sleeve and the innovative SDH system significantly increases wear resistance, by up to 20% to 50% compared to standard chains. SDH technology, based on a chromium-carbon surface layer of the inner pins while maintaining a soft core, guarantees extreme wear resistance, even in harsh operating conditions. ### Perfect Fit and Parameters The 428NZ chain is characterized by size 428, which means the following parameters: distance between rollers 12.7mm, width 7.75mm and roller diameter 8.51mm. The high average tensile strength of 25500N ensures safety and reliability in all conditions. ### D.I.D Brand - Guarantee of Quality D.I.D is a brand known for producing high-quality drive chains, valued by motorcyclists around the world. By choosing the 428NZ chain, you are investing in proven quality and reliability, which translates into trouble-free operation of your motorcycle.