## D.I.D 428HD Drive Chain The D.I.D 428HD Drive Chain is a reinforced, heavy-duty motorcycle chain meticulously engineered in Japan for low to medium-power motorcycles and mopeds. This non-sealed chain offers exceptional reliability and an impressive 20-50% increased wear resistance compared to standard 428H models, ensuring a robust and dependable power transfer for every ride. ### Enhanced Durability and Performance Crafted for riders seeking superior strength and longevity, the D.I.D 428HD chain features a robust construction designed to withstand the rigors of various riding conditions. Its heavy-duty designation signifies a significant upgrade in material thickness and overall resilience, providing peace of mind on the road or trail. * The **D.I.D 428HD chain** delivers 20-50% greater wear resistance than standard 428H. * Reinforced inner plate thickness (approximately 2mm) for increased fatigue strength and durability. * Manufactured in Japan, ensuring the highest quality standards and precision engineering. ### Optimized Efficiency for Lighter Engines As a non-sealed chain, the D.I.D 428HD minimizes drag, contributing to a more efficient power transfer, making it an excellent choice for lighter motorcycles and mopeds. While requiring regular maintenance due to its non-sealed nature, its design prioritizes direct power delivery and a lower rotating mass for agile performance. * Non-sealed design reduces friction for efficient power transmission and lightweight performance. * High fatigue resistance index of 150 ensures reliable, long-term operation. * Easy installation with a convenient clip-type master link. ### Technical Specifications * Chain Size: 428 (12.7mm pitch, 7.75mm width, 8.51mm roller diameter) * Tensile Strength: Approx. 2390 kg (5269 lbs) * Wear Resistance: 20-50% higher than standard 428H * Master Link Type: Clip (open chain supplied with clip) * Seal Type: Non-sealed (requires regular cleaning and lubrication) ### Compatibility * Honda XR125 * Yamaha MT-125