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OnBuy.com£15.99Visit shop Shimano Tourney Ty510 6/7-Speed Triple Top-Swing Dual-Pull Front Derailleur
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The Shimano Tourney TX51 front derailleur is an excellent choice for recreational cyclists and commuters looking for a dependable, cost-effective upgrade to their drivetrain. It offers precise shifting performance for 6 and 7-speed systems, though it is not compatible with modern 9, 10, or 11-speed setups. Featuring a versatile multi-fit design and dual-pull cable routing, it provides a straightforward path to improved gear indexing for entry-level mountain and hybrid bikes.
| Model Part Number | 27117 |
|---|---|
| Brand | Shimano |
No, the TX51 is specifically optimized for 6 and 7-speed drivetrain systems.
Yes, it is a dual-pull derailleur designed to accommodate both routing styles.
It is designed to support a 42-48T chainring setup.
The TX51 includes mounting hardware compatible with 31.8mm and 34.9mm seat tubes.
Keep the pivots clean and lubricated. Periodically check that the mounting bolts remain tight.
Adjust the H or L limit screws to center the cage, or increase cable tension using the barrel adjuster.
Ensure the derailleur cage is parallel to the chainrings and increase cable tension slightly.
Clean the pivot points with a degreaser, dry, and apply a light bicycle lubricant.
To install, ensure your frame seat tube diameter matches the 31.8mm or 34.9mm clamps. Use the included adapter shim if your frame uses the smaller diameter. Once mounted, the dual-pull mechanism allows you to route the derailleur cable based on your frame's specific requirements.
Keep the pivot points lightly lubricated with bicycle-specific chain oil to maintain smooth operation, and inspect the cage periodically for debris or bent plates.
