The Shimano Tourney RD-TY300 SGS Rear Derailleur with a BMX/Track style dropout adapter is a highly versatile, budget-friendly component designed for 6 and 7-speed drivetrains. This specific variant features an integrated adapter bracket, making it ideal for older bicycles, entry-level mountain bikes, or single-speed conversions that lack a built-in threaded derailleur hanger.

Key Specifications & Performance

• Drivetrain Compatibility: Fully optimized for 6-speed and 7-speed configurations.
• Cage Length (SGS): Features a long cage design, allowing it to manage a total chain capacity of up to 43 teeth.
• Cassette Range: Supports a maximum low sprocket cog of 34T (perfect for climbing) and a minimum small cog of 11T.
• Shifting Technology: Utilizes Shimano's SIS Index Shifting and Double Servo technologies for smooth, precise, and low-noise gear tracking.
• Mounting Type: Includes a BMX/Track style claw adapter that slides directly onto a standard rear wheel axle nut dropout.