Vortex Racing 313-50 Rear Sprocket For Motocross Offroad Use

The Vortex Racing 313-50 rear sprocket is a purpose-built component for motorcycle drivetrains, delivering reliable chain drive power transmission in motocross, off-road, and powersports applications, where consistent engagement and durability influence ride quality and performance on challenging terrain. With 50 teeth, it is a rear-position sprocket CNC-machined from aluminum alloy and finished in black anodize, combining lightweight construction, precise tooth geometry, and durable wear resistance designed to withstand the rigors of competitive riding. Designed as a lightweight racing sprocket for replacement and performance upgrades, it aims to improve power transfer and chain engagement across motocross bikes, off-road racers, and other race-oriented machines by maintaining consistent riding performance and drivetrain reliability. The product carries the manufacturer part number 313-50 from Vortex Racing, is manufactured in the United States, and is commonly used alongside standard motorcycle drivetrain systems in environments where dependable power transmission and chain reliability are essential. Common replacements listed for reference include the Vortex Racing 313-49 rear sprocket, as well as alternatives from Supersprox Stealth and ProTaper for compatible motocross and off-road drivetrain setups.