RD-TX800 7/8-Speed Rear Derailleur, Black
$18.99
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Fit illustrations show the part and omit branding.
RD-TX800 7/8-Speed Rear Derailleur, Black
$18.99
Product highlights
- Rear speeds — Use with a compatible indexed shifter and seven or eight rear sprockets.
- Threaded mount — Check for a conventional threaded derailleur hanger.
- Largest rear sprocket — Your largest rear sprocket should have 28–34 teeth.
- Long cage and capacity — The long-cage RD-TX800 has a 43-tooth total capacity.
- In the box — Includes one black RD-TX800 rear derailleur.
Rear 7 or 8 speed. Threaded hanger mount.
Airuzara / Fit & use
See the mount and cable together
Identify the mounting point and cable path on your bike before fitting the replacement.
Rear 7 or 8 speed. Threaded hanger mount.
Context illustration
Fit checklist
Check before you order
Where does the mounting bolt go?
It threads into a compatible derailleur hanger on the frame. Compare the mount with your current part before ordering.
What should I compare besides the mount?
Match the rear shifter and cassette speeds, then check the rear sprocket size and drivetrain capacity listed below.
Full specifications and box contents
A black long-cage rear derailleur for compatible 7- and 8-speed drivetrains with a conventional threaded hanger.
Fit and specifications
- Model RD-TX800
- Rear speeds 7 or 8, with a matching indexed shifter
- Mount Conventional threaded derailleur hanger
- Largest rear sprocket 28–34 teeth
- Total chain capacity 43 teeth
Check before you order
- Check for a threaded hanger and compare its mounting bolt with the image.
- Count the rear sprockets and check the tooth count of your largest sprocket.
In the box
One black RD-TX800 rear derailleur.