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Shimano Altus Bicycle Front Mech Gear Derailleur - 7/8 Speed

Shimano Altus Bicycle Front Mech Gear Derailleur - 7/8 Speed

Shimano Altus 7/8 Speed Front Mech Derailleur Dual SIS Front Index Shifting Wide parallelogram fo...

Best current price£17.99from Evans Cycles UK

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Shimano D-M310 Altus 8-Speed Front Derailleur, Top Swing, 42-48T, 66-69 Deg Black

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Evans Cycles UKShimano D-M310 Altus 8-Speed Front Derailleur, Top Swing, 42-48T, 66-69 Deg Black
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£17.99
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FrasersShimano D-M310 Altus 8-Speed Front Derailleur, Top Swing, 42-48T, 66-69 Deg - Black
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Sports Direct UKShimano Black D-M310 Altus 8-Speed Front Derailleur, Top Swing, 42-48T, 66-69 Deg, Sports Direct
£4.99 delivery
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OnBuy.comShimano Altus Fd-M310 Altus 8 Speed Front Derailleur Top Swing 66-69 Degree
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£19.79
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eBayShimano FD-M310 Altus 8-speed front derailleur, top swing, 42-48T, 66-69 deg
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£20.99
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Product Information

Full details

This guide is for cyclists looking to understand and maintain their Shimano Altus front derailleur. It helps riders optimize gear shifting for 7/8-speed drivetrains, offering improved performance on various terrains. Note that proper setup and adjustment are crucial for optimal shifting.

All features

Model Part NumberFDM310X6
BrandSHIMANO

Extended Product Information

FAQs

What tools do I need for installation?

You will need a set of Allen wrenches, a screwdriver, and possibly cable cutters.

Can I use this derailleur with a 9-speed cassette?

No, this derailleur is only compatible with 7- or 8-speed drivetrains.

How do I adjust the cable tension?

Use the barrel adjuster on the derailleur or the shifter to fine-tune the cable tension until shifting is smooth.

What is the correct chainstay to seat tube angle?

The derailleur is designed for chainstay to seat tube angles between 66 and 69 degrees.

How often should I lubricate the derailleur?

Lubricate the pivots and moving parts every few rides or when shifting becomes sticky.

What clamp size is this derailleur?

It fits a clamp size of 31.8-34.9mm.

Troubleshooting

Poor shifting performance or chain rubbing.

Adjust the cable tension, limit screws, and derailleur alignment.

Chain not shifting to the outer chainring.

Adjust the high limit screw (H) to allow for sufficient movement.

Chain falls off the inner chainring.

Adjust the low limit screw (L) to prevent the chain from dropping off.

Difficulty shifting between gears.

Check the cable for fraying or damage and replace if necessary.

Pros and Cons

Pros

  • Improved shifting performance with Dual SIS.
  • Versatile with dual-pull cable routing.
  • Compatible with a wide range of frame sizes.
  • Durable design for long-lasting use.
  • Easy to install and adjust.

Cons

  • Requires careful adjustment for optimal performance.
  • May not be suitable for high-end professional use.
  • Performance can be affected by cable condition.
  • Not compatible with 9-speed or higher drivetrains.
  • Requires a compatible chainstay to seat tube angle range (66-69 degrees).

Setup, Compatibility & Care

  1. Compatibility: This derailleur is compatible with 7- or 8-speed drivetrains and chainrings with an outer size of 42 to 48 teeth. Ensure your frame has a 31.8-34.9mm clamp size.
  2. Installation:
  • Attach the derailleur to the seat tube using the multi-clamp band.
  • Route the cable through the derailleur.
  • Adjust the limit screws (H and L) to set the inner and outer limits of the derailleur's movement.
  • Adjust the cable tension for optimal shifting.
  1. Cable Routing: This model supports both top and bottom cable routing. Choose the routing that best suits your frame.
  2. Care:
  • Keep the derailleur clean, removing dirt and debris regularly.
  • Lubricate the pivots and moving parts periodically.
  • Check for cable wear and replace cables as needed.
  • Regularly inspect the derailleur cage for damage.

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