Renthal Sprockets All rear sprockets are made of 7075 T-6 aluminum alloy; select rear sprockets available in black Used by Honda, Kawasaki, Pro Circuit Kawasaki, Troy racing and KTM teams
JT Sprockets All sprockets are heat-treated and sandblasted to reduce material surface tension Front sprockets made with C45 steel and SCM415 chromoly steel alloy Rear sprockets made with top-quality-grade C45 high carbon steel
