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Shimano Tourney RD-TX800 is a black 7/8-speed rear derailleur designed for urban, hybrid, touring and entry-level mountain bikes.
Key Features
Construction and Design
The long SGS cage maintains suitable chain tension in drivetrains with multiple front chainrings and a wide-range rear cassette or freewheel. Its black finish coordinates easily with different bicycle frames and drivetrain components.
The derailleur attaches directly to a standard frame derailleur hanger. Two 13-tooth pulley wheels guide the chain smoothly and support consistent drivetrain operation.
Main Functions
The Shimano SIS indexed shifting system allows each gear to be selected with a precise movement of the shift lever. Its double servo-pantograph construction helps maintain a suitable distance between the guide pulley and rear sprockets throughout the gear range.
The derailleur has a total capacity of 43 teeth. It supports rear sprocket sets with a largest sprocket between 28 and 34 teeth, while the maximum difference between the front chainrings is 20 teeth.
Use and Compatibility
The RD-TX800 is designed for compatible Shimano SIS 7- and 8-speed drivetrains. It is commonly used in 2x and 3x configurations on urban, hybrid, touring and recreational bicycles.
Shifter, chain, rear sprocket set and frame hanger compatibility should be checked before installation. Correct cable tension and limit screw adjustment are required for smooth and accurate shifting.
Additional Features
An integrated cable tension adjuster allows shifting performance to be fine-tuned after installation or as the cable settles over time. Its straightforward Tourney-series construction is intended for everyday use and uncomplicated maintenance.
Summary
The Shimano Tourney RD-TX800 is intended for cyclists who need a practical rear derailleur for a 7- or 8-speed drivetrain. Its long cage, 43-tooth capacity and compatibility with rear sprockets up to 34 teeth make it suitable for everyday, touring and recreational bicycles.
| GENERAL INFORMATION | |
|---|---|
| Kategorija | Rear gear selector |
| Paskirtis | City-Tourist |
| Pavarų tipas | 7 , 8 |
| Tipas | GS |
| Pavarų perjungimas | Tourney |
| Suderinamumas | Shimano |
