Rear sprocket JTR251.49SC SC R YAM 49T Computer-designed to achieve ultimate strength at minimum weight.
JT combines leading-edge technology with top materials to produce the ultimate quality sprocket.
Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry.
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 or aluminum.