Shimano SL-TX50 Thumb Shifter Plus - 6-speed pair

The Tourney TX50 thumb shifter plus provides accurate, light action, easy gear changes for use wit...

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Product Information

Full details

This guide is for cyclists using the Shimano SL-TX50 Thumb Shifter Plus, offering a straightforward approach to gear shifting for 6-speed drivetrains. The primary benefit is its accurate and light-action gear changes. A potential drawback is its compatibility limitation to 6-speed systems. This guide provides instructions for setup, use, and troubleshooting.

All features

Model Part NumberSLTX506PA
BrandSHIMANO

Extended Product Information

FAQs

What tools do I need for installation?

You'll need a hex key set, cable cutters, and possibly a screwdriver.

How often should I lubricate the shift cable?

Every few months, or more frequently if you ride in wet or dirty conditions.

Can I use this shifter with a 7-speed cassette?

No, this shifter is only compatible with 6-speed drivetrains.

How do I adjust the cable tension?

Use the barrel adjuster on the shifter or the rear derailleur to fine-tune the cable tension until the gears shift smoothly.

What if the gears skip or jump?

Readjust the cable tension or check the derailleur alignment and hanger. The chain may also need replacing.

How do I clean the shifters?

Wipe them down with a damp cloth. Avoid using harsh chemicals.

Troubleshooting

Gears are not shifting correctly.

Adjust the cable tension using the barrel adjuster on the shifter or rear derailleur. Check the derailleur hanger alignment.

Shifter feels sticky or hard to operate.

Lubricate the shift cable and housing. Replace the cable if it's damaged or corroded.

Shifter is loose on the handlebars.

Tighten the clamp bolt securely.

Pros and Cons

Pros

  • Easy and intuitive gear shifting.
  • Durable construction for long-term use.
  • Simple to install and maintain.
  • Offers a good balance of performance and price.

Cons

  • Limited to 6-speed drivetrains.
  • May require adjustment after installation.
  • Not compatible with modern high-speed systems.
  • Plastic construction may not be as durable as some higher-end shifters.

Setup, Compatibility & Care

Setup:

  1. Attach the shifter to the handlebars using the clamp.
  2. Connect the shift cable to the rear derailleur.
  3. Route the cable correctly, ensuring smooth movement.
  4. Adjust cable tension using the barrel adjuster.
  5. Index the gears for precise shifting.

Compatibility:

  • Drivetrain: Specifically for 6-speed drivetrains.
  • Brakes: Compatible with most rim brake systems.

Care:

  • Clean the shifters regularly with a damp cloth.
  • Lubricate the shift cable and housing periodically.
  • Inspect for wear and tear, and replace the cable if frayed.

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