Fit illustration: Black RD-TZ31A rear derailleur with a round mounting bolt.

RD-TZ31A 6/7-Speed Rear Derailleur, Threaded Mount

$15.99
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Fit illustration: Black RD-TZ31A rear derailleur with a round mounting bolt.
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RD-TZ31A 6/7-Speed Rear Derailleur, Threaded Mount

$15.99

Product highlights

  • Mounting bolt — The round bolt fits a conventional threaded derailleur hanger.
  • Rear sprockets — Count six or seven sprockets at the rear wheel.
  • Shifter match — Use a compatible indexed rear shifter for your sprocket count.
  • Model and finish — Black RD-TZ31A. Compare the model and the mounting point on your old part.
  • In the box — Includes one black threaded-mount rear derailleur.

Rear 6 or 7 speed. Threaded hanger mount.

See photos and fit details

Threaded-mount TZ31A rear derailleur near the rear wheel and cassette

Airuzara / Fit & use

Check the hanger connection

Locate the round mounting bolt before choosing between the threaded and axle-hook versions.

Rear 6 or 7 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.

Does yours have an open plate?

Compare the axle-hook version when the current derailleur uses an open plate at the rear axle.

Compare the TZ31A axle hook
Full specifications and box contents

Replace a compatible 6- or 7-speed rear derailleur with the RD-TZ31A threaded-mount version.

Fit and specifications

  • Model RD-TZ31A
  • Rear speeds 6 or 7, with a matching indexed shifter
  • Mount Bolt for a conventional threaded derailleur hanger
  • Color Black

Check before you order

  • Match the round mounting bolt to your existing derailleur hanger.
  • Count your rear sprockets and check that the existing shifter matches.

In the box

One black RD-TZ31A threaded-mount rear derailleur.

Related products RD-TZ31A axle-hook version

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