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The Shimano Tourney RD-TX800 rear derailleur is compatible with Shimano 8- and 7-speed MTB drivetrains. Fitted with two 13-tooth pulleys, the cage offers precision and high chain tension, allowing you to tackle obstacles without the risk of the chain jumping.
Technical specifications
Mountain bike drivetrain
Compatible with 8- and 7-speed cassettes
Shimano part number ERDTX800SGSL
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Denis A. 
Published Dec 11, 2025 at 06:32 pm (Order date: Nov 28, 2025)Perfect. (Translated review)
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