• Computer-designed to achieve ultimate strength at minimum weight• JT combines leading-edge technology with top materials toproduce the ultimate quality sprocket range with unbeatable value• Every sprocket meets or exceeds thehighest possible quality standards• Sprockets are heat-treated and beadblastedto reduce material surface tension• Front sprockets made with top-quality SCM420 chromoly steel alloy• Steel rear sprockets made with top-qualityJapanese C49/C50 high carbon steel• Aluminum rear sprockets are made withhigh-strength Austrian 7075-T6 anodized aluminum• JT aluminum sprockets are about 30% lighter thana comparable steel equivalent, which reduces unsprung rotating weight and improves performance• Lightweight front sprockets available for some applications• Front and rear sprockets available for Betamotor,Cagiva, Gas Gas, Honda, Husaberg, Husqvarna,Kawasaki, KTM, Suzuki and Yamaha applicationsSELF CLEANING STEEL SPROCKETS• Manufactured to exacting tolerances and designed withspecial self-cleaning grooves for added life performance• Made from the best chromoly steel and fully heat-treated formaximum durability, SC sprockets are designed for championsALUMINUM REAR SPROCKETS• Made from aviation-grade 7075-T6 aluminumalloy, optimal lightweight design and CNCmachined for performance and lifespan• Manufactured from the best materials with a specialself-cleaning design, and hand-finished to perfection• Select aluminum sprockets are available in colored optionsRACELITE ALUMINUM REAR SPROCKETS• JT sprockets is proud to introduce the new RaceLiterange of anodized 7075-T6 aluminum sprockets• Available in hard wearing color options,see fitment section for detailsNOTE: When installing sprockets which differ from OEMsizes, check for proper clearances before operating.NOTE: For applications please use chain configuratorat http://chainkit.partseurope.eu.• SIZE 520 47• JT SERIES 808• JT SPROCKETS JTR808.47SC