Race-Driven Sprockets are made from high quality steel to meet or exceed OEM specifications. CZ Chains are produced in the Czech Republic using German Engineering and only the highest quality products available. This is a Non O Ring MX series chain, for This highest performance and less resistance than seal O Ring of x ring style chains. Average Tensile Strength in excess of 8500lbs. 1987 Yamaha YZ125

Race-Driven Sprockets are made from high quality steel to meet or exceed OEM specifications. CZ Chains are produced in the Czech Republic using German Engineering and only the highest quality products available. This is a Non O Ring MX series chain, for This highest performance and less resistance than seal O Ring of x ring style chains. Average Tensile Strength in excess of 8500lbs. 1987 Yamaha YZ125