At DMG Motorsports, we present the Vortex Steel Rear Sprocket in Black - 40T (520), part number 211S-40 - a direct-fit replacement engineered for the Honda CBR250R and CBR300R. Built to Vortex's exacting standards, this sprocket combines durability with a clean, corrosion-resistant black finish, making it a smart upgrade or replacement for riders who demand reliable performance from their drivetrain. Whether you're refreshing worn gearing or building out a full chain and sprocket kit, this Vortex sprocket delivers the strength and precision your Honda deserves.

Features:

• Manufactured from high tensile carbon steel for long-lasting strength under tough riding conditions
• Precision CNC machined individually to achieve the tightest tolerances
• Electroplated with a satin black finish that resists corrosion
• Hardened teeth ensure the sprocket holds up to many miles without sacrificing strength
• Featuring Vortex's Ideal Tooth Design™ for smooth, consistent chain hold and release
• Cupped down from the tooth ring to the body to shed unnecessary weight
• Delivers maximum wear resistance for extended service life
• 40-tooth, 520-pitch configuration designed to fit Honda CBR250R (2011-2013) and CBR300R (2015)

Fitment