- -€4.00
- Black Friday
The benchmark product from Muc Off!
For optimal transmission, it is advisable to change your rollers regularly (every 8,000 km) to extend the life of your chain and the smoothness of your transmission.
A former racer with a keen eye for equipment
| EAN | 4524667847731 |
|---|
Average rating: 4.8 out of 5
Based on 46 reviews
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Ras
Ras
Conforming product
It's for regular maintenance, we'll see when I mount them
not mounted yet. impeccable reception
Excellent
-
good product to recommend
Perfect for Shimano Ultegra 6800
Good material. Shimano is always reliable.
No review matches this rating.
10 reviews shown out of 46
They are compatible with the following 11-speed rear derailleurs Shimano, Ultegra RD-6800 and RD-6870 Di2.
The kit includes a guide pulley and a tension pulley designed to replace the original rear derailleur pulleys.
It is advisable to replace them when they show visible signs of wear, excessive play, or when the drivetrain becomes noisier and less precise.
Yes, new chainring sprockets help restore smoother chain movement and greater precision when changing gears.
Yes, the part number Y5YC98140 corresponds to an official Shimano part designed for compatible Ultegra derailleurs.
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