JT Sprockets Steel Front Sprocket Suzuki RM 80 85 1983 - 2023 Yamaha YZ 80 1981 - 2001, 14T

JT Sprockets is the world's leading manufacturer of aftermarket sprockets, constantly raising the industry's standards for quality and service. JT Steel Sprockets are manufactured using only the finest grade of SCM420 chromoly steel alloy for the front sprockets

http://www.jtsprockets.com/catalogue/part/JTF416/