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Shimano
Ultegra 6800 Derailleur Pulley Set

Mfg PartNum:Y5YC98140
$21.99
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Use this Shimano Ultegra 6800 Derailleur Pulley Set to replace pulleys on 11-speed Ultegra or Ultegra Di2 derailleurs. Both upper and lower pulleys spin smoothly using sealed cartridge bearings.

11-tooth pulleys.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

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Great replacement pulley wheels
by Luigi
Cycling Enthusiast
San Francisco, CA

I replaced the pulley wheels on my Shimano Ultegra 6800 rear derailleur after about 10k miles. Shifting immediately became more accurate and drivetrain much quieter. Definitely recommended if you haven't changed these in a while.

Reviewed 8/30/2020
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They work!
by Anonymous

These work well and were easy to install.

Reviewed 9/4/2020
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Precise Shifting
by Anonymous
Reno, NV
1 of 1 customers found this review helpful.

If your derailleur isnt shifting as precisely as it used to it might be your the pulleys. These pulleys work extremely well and last a good while. They are a great value. Make sure you install the pulleys in the proper positions. They about the same on first glance but they are different. Consult the instructions for top and bottom positions.

Reviewed 9/2/2019
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The real deal for your drive train
by Spartan Cyclist
Competitive Racer
Chicago, IL
5 of 6 customers found this review helpful.

I tried being a cheapskate and buying some cheaper non-OEM pulley's on Amazon. Don't.

If you have an Ultegra 6800 rear derailleur, these pulleys are your best and only serious option, unless you want annoying squeaks and probable watt losses.

These pulley's may not be something ground breaking, but you just need them because they are the product that works when your old pulley's get beat up too much.

Also, these are a wear item, so I would much rather replace these than another component, but make sure if you are riding a lot that you periodically pull these out and give them a cleaning and ensure that they are spinning freely. I ride quite a lot, so I know that they are going to be working hard in my drive train.

Reviewed 3/1/2018
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