Shimano Tourney TX RD-TX800 is a highly durable, entry-level recreation rear derailleur optimized for 7-speed and 8-speed drivetrains. This specific model features a Direct Attachment Type mount (standard derailleur hanger bolt) and comes in a sleek silver finish, offering cost-effective and dependable shifting performance for casual mountain, hybrid, and commuter bikes.
Technical Specifications
According to the official Shimano Tourney Specifications, the mechanical parameters include:
Drivetrain Compatibility: 7/8-speed mountain or hybrid systems (fully functional with 6-speed index setups as well).
Mounting Type: Direct Attachment (conventional hanger mount).
Linkage Mechanism: Double Servo-panta design (tracks the cassette profile closely for accurate alignment).
Total Capacity: 43 Teeth (gear wrap-around capacity).
Maximum Low Sprocket: Supports a 34T maximum rear cog (ideal for climbing-focused cassettes or freewheels).
Minimum Low Sprocket: 28 Teeth.
Top Sprocket Support: 11 Teeth minimum to 14 Teeth maximum.
Maximum Front Difference: 20 Teeth (maximum gap between the smallest and largest front chainring).
Pulley Size: Larger 13-Tooth upper and lower pulleys to reduce chain friction and running noise.
Color: Silver.
This derailleur provides reliable and smooth performance, making it an excellent choice for recreational riders seeking durability and efficiency on their bikes.
