EK Chain 428 Sroz EK's Sroz2 chain blends affordability with performance, offering a lightweight yet durable option for your machine. Manufactured with lightening holes and high-tech heat-treated steel alloy, the same innovative materials used across all EK chains, this series does not compromise on quality. It provides a cost-effective solution without skimping on the reliability and craftsmanship EK is known for. Features: O-ring seals Clip type master link Lightening holes for reduced weight without compromising strength For street or dirt use Max engine capacity: 250cc street / 250cc dirt Tensile strength: 5300 lbs.