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Anodized CNC machined bicycle wheel with fully rubber sealed bearing for center bolt derailleurs. Fits for most of rear derailleur on the market, support 7/8/9/10 speed.If you need it will be your best choice. Wish you a happy life!
Features:
1. It is made of CNC aluminum alloy, lightweight and durable.
2. Anti rust and corrosion resistant anodized.
3. Apply for most of rear derailleur on the market, support 7/8/9/10 speed.
Specifications:
Material: 7005 Aluminium Alloy
Components: Derailleurs
Structure: Ceramic Bearings
Color: Red/Black/Green
Size: 11T
Use: For 7/8/9/10 speed
Diameter: 11T-40mm
Quantity: 2pcs
Fit For: For 4/5/6mm roller screw axis
Package Included:
2 Pcs Ceramic Bearings.
Elizabeth Snodgrass
Reviewed in the United States on March 4, 2025
Much better than stock! Works great!
BRW
Reviewed in the United States on March 20, 2025
Used to replace worn nylon bushings jockey wheel on vintage rehab bike. Adds some nice bling while work just fine. Jury is out on durability but seem to be holding up. But be careful and not to use as upper wheel in modern Shimano as those require a specific amount of “slop” side to side to function and shift optimally.
RedIsBlu
Reviewed in the United States on October 23, 2023
Does what it’s meant to do. Haven’t had issues.
luis vazquez
Reviewed in the United States on December 3, 2022
No funciona. No es en Cerámica
Evan Keys
Reviewed in the United States on April 14, 2022
Testing these out to see if ceramic bearings make a difference. For the price, you can't go wrong. My stock Shimano 105 derailleur has no bearing in the pulleys, so something has to be better than nothing? 3 stars because the quality looks good. Some shift performance was lost after install. Indexing became very finicky. And bearings are sealed w/ a metal cap as opposed to a rubber (serviceable) seal. Because of that, I was unable to verify that these were indeed ceramic bearings, but time will tell. I will update review after some use.100 mile update - Still just okay. Some inconsistencies with shifting, sometimes goes to the gear I want, sometimes not. But for the most part they still work fine and seem to run smooth. Also noticed that the Shimano 105 uses one 11t pulley with deeper teeth, and one shallow one more similar to the profile found on these pulleys. This could be the reason for the declined shifting performance?
Jose Blanco
Reviewed in the United States on June 2, 2021
Es muy bueno para la bicicleta porque son de Valero y resistente
Tnerb Thomas
Reviewed in the United States on March 5, 2021
Looks great and actually has a bearing compared to the plastic ones they replaced on my bike
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