JT Kettenrad 42T 420 JTR211.42Rear Sprocket
Computer-designed to achieve ultimate strength at minimum weight
JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
Every sprocket meets or exceeds the highest possible quality standards
Sprockets are heat-treated and beadblasted to reduce material surface tension
Steel rear sprockets made with top-quality Japanese C49/C50 high carbon steel
