RK Racing Chain GB525GXW-120 120-Links Gold XW-Ring Chain with Connecting Link 525GXW is RK's premium quality 525 XW-Ring chain. XW-Ring chains are the best high-speed, extreme heat performance chains available today. So, If you've modified your ride into an extreme high-speed machine, you need the strength and performance of GXW. With a maximum tensile strength rated at 9300 foot pounds and suitable up to 1100cc street bikes and 800cc off-road bikes, GXW can handle anything you dish out!New lightweight high-performance sportbike chain.Uses an advanced design with XW-Ring construct