Description
Special design of sealed-in lubrication makes Sealed Chain work to its optimum life. Superior alloy steel is adopted and heat treated to provide the best performance in strength. In addition, special formulated grease contained by durable ring in between solid bushing and hardened pin keeps constant lubrication, and extremely eliminates the friction during operation. Least wear results in least chain stretch and prolongs its service life.
specification :
520EX/525EX/530EX/520EXR/525EXR/428UO/520UO/525SUO/530SUO
O-Ring