Shimano Tension and Guide Pulley Set - RD-M9100

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Best current price£18.99from eBay
Shopping.co.uk recommended and popular offers
eBay£18.99Visit shop NEW Shimano RD-M9100/M9120 XTR Rear Mechanical Pulley Set - One Size - Black
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This genuine Shimano Tension and Guide Pulley Set is for owners of Shimano RD-M9100 and RD-M9120 rear derailleurs looking to maintain optimal shifting performance and durability. It ensures smooth chain movement and efficient power transfer, but requires careful installation to avoid damage. This guide covers its features, benefits, and essential maintenance.
| Model Part Number | Y3FA98090 |
|---|---|
| Brand | SHIMANO |
No, this specific tension and guide pulley set is designed only for Shimano RD-M9100 and RD-M9120 rear derailleurs.
The lifespan of pulley wheels depends on riding conditions and maintenance. Inspect them regularly for wear; replace them when they show significant signs of damage, stiffness, or if shifting performance degrades.
It is strongly recommended to use the specific tension and guide pulleys designed for your derailleur model to ensure proper function and compatibility. Using incorrect pulleys can lead to poor shifting and potential damage.
You can find a full exploded diagram and part information on the official Shimano website by searching for your specific derailleur model.
Typically, you will need a hex wrench (Allen key) of the appropriate size to remove and install the pulley bolts. A chain tool might be helpful for manipulating the chain during the process.
While replacing the pulleys themselves doesn't usually require re-indexing, it's a good practice to check your derailleur's indexing after any maintenance to ensure optimal shifting.
Clean the pulley wheels thoroughly with a degreaser and a brush. If the issue persists, the pulley bearings may be worn and require replacement of the entire pulley set.
Ensure the tension and guide pulleys are installed in the correct orientation (guide pulley usually has a float function, tension pulley does not). Double-check that all small parts are correctly in place and that the derailleur is properly indexed.
Use the correct size tool. Apply a small amount of grease to the pulley bolt threads during installation to prevent seizing. Do not overtighten.
Compatibility: This pulley set is exclusively designed for Shimano RD-M9100 and RD-M9120 rear derailleurs. Always confirm your derailleur model before purchasing.
Setup: Installation involves removing the old pulley wheels and attaching the new ones. It's recommended to consult the full exploded diagram available on the Shimano website (www.si.shimano.com) for precise placement and any associated small parts. Ensure the tension pulley and guide pulley are installed in their correct positions, as they are often distinct.
Care: Regularly clean the pulley wheels with a dry or slightly damp cloth to remove dirt and grime. Avoid using harsh solvents. Check for excessive wear or damage periodically. A clean pulley system contributes to smoother shifting and prolonged component life.