RD-TZ31A 6/7-Speed Rear Derailleur, Axle Hook Mount
$16.49
Skip to product information
Fit illustrations show the part and omit branding.
RD-TZ31A 6/7-Speed Rear Derailleur, Axle Hook Mount
$16.49
Product highlights
- Open axle hook — The hook slides under the rear axle nut. Compare it with your existing mount.
- Rear speeds — Check for six or seven rear sprockets.
- Indexed shifting — Match the derailleur with a compatible indexed rear shifter for the same speed.
- Model and finish — Black RD-TZ31A with the open axle-hook mounting plate.
- In the box — Includes one rear derailleur with its axle hook.
Rear 6 or 7 speed. Open rear-axle hook.
Airuzara / Fit & use
Check the axle before ordering
Match the shape of the open hook and confirm that your bike uses the same axle attachment.
Rear 6 or 7 speed. Open rear-axle hook.
Context illustration
Fit checklist
Check before you order
What does an axle-hook mount look like?
Look for an open mounting plate at the rear axle. Compare the outline and position with the part already on your bicycle.
Does yours use a round bolt?
A derailleur that screws into a frame hanger uses the threaded version.
Compare the threaded TZ31AFull specifications and box contents
For a compatible 6- or 7-speed drivetrain with an open rear-axle hook mount.
Fit and specifications
- Model RD-TZ31A
- Rear speeds 6 or 7, with a matching indexed shifter
- Mount Open hook that fits under the rear axle nut
- Finish Black
Check before you order
- Compare the open hook on the mounting plate with your current part.
- Count the rear sprockets and match the shifter before ordering.
In the box
One black RD-TZ31A rear derailleur with axle hook.