• 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 bead-blasted to reduce material surface tension
• Front sprockets made with top-quality SCM420 chromoly steel alloy
• Steel rear sprockets made with top-quality Japanese C49/C50 high carbon steel; available as noted with an induction-hardened black zinc finish – these sprockets are made from C45 high carbon steel with teeth that are heat-induction hardened to 38-50 HRC
• Aluminum rear sprockets are made with high-strength Austrian 7075 T-6 anodized aluminum
• JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces un-sprung rotating weight and improves performance
• Lightweight front sprockets available for some applications

(1) 49T. Black aluminum rear sprocket

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