Rear Sprocket - Aluminum - 49 Tooth - Blue - Gas Gas/Husqvarna/KTM - Made from aviation-grade 7075-T6 aluminum alloy, optimal lightweight design and CNC machined for performance and lifespan - Manufactured from the best materials with a special self-cleaning design, and hand-finished to perfection

Countershaft Sprocket - 14 Tooth - Computer-designed to achieve ultimate strength at minimum weight

Countershaft Sprocket - 15 Tooth - S 1000 - Computer-designed to achieve ultimate strength at minimum weight

Chain and Sprocket Kit - 520 Aluminum Race - Gold - Suzuki GSX-R750 - 520 Aluminum Race kit features RK’s premium, lightweight XW-ring sealed racing chain with a gold finish - Kit includes a premium Driven® 7075 T6511 lightweight Aluminum black hard anodized rear sprocket paired with Driven® C45 steel case hardened and quenched front sprockets - Kit includes one-tooth-smaller-than-stock front sprocket - RK’s 520 Aluminum Race Kit combines the enhanced performance of race gearing and lightweight rear sprockets to reduce rotating mass - Experience quicker starts and quickest to your bike’s red line in every gear without sacrificing normal ride and handling