* Life expectancy is more than double when compared to a non-sealed chain. * UW Seal keeps dirt out, keeps lube in. * Additional lube guarantees performance at the end of grueling moto... not just at the start. * Thin UW seal keeps the weight low, reducing the rotational mass of a standard sealed chain. * Small seal contact points reduce drag. * Master Link incorporates a non-press side plate for slide on installation. * Ideal for professional level 125cc to 500cc open class racing. * "MXU" chains have a maximum tensile strength of 9,000 lbs per 100 links making GB520MXU the strongest sealed motocross chain ever. * Available with bright Gold inner and outer plates. * Retail price $125.00 for 120 links Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!