This Oversized derailleur cage is reducing frictions on 2 parts:
-The shape of the pulley enables a lower angle of pins of the chain. lower angle = less energy required from the pins to move each other
-The hybrid ceramic bearings are reducing frictions: the difference is spectacular with standard Shimano/Sram steel bearings
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|Weight||65g (AXS) 67g (Shimano R8000/9100)|
|Bearings||Ceramic (grade 3)|
|What's in the box :||1 pulley wheels system with 14/19 pulleys, 1 small bottle of oil|
CyclingCeramic is a little workshop located in France. They are developing products to reduce frictions on drivetrains. All parts are designed and then assembled in France. Each ball of each bearing is assembled in France.
With purchasing this product you'll save energy: 3-6 watts depending on power and velocity output. You'll increase the lifespan of your derailleur pulleys.
We suggest replacing Cyclingceramic jockey wheels after 25000-30000km.
There are 6 references:
-Shimano series: Ultegra R8000 SS and Dura Ace 9100: it means mechanical, di2 and disc versions are compatible. GS is not compatible.
-Sram AXS 12S: It means Rival, Force and Red AXS 12S are compatible
-Sram eTap 11S: It means Force and Red eTap 11S are compatible
-Shimano Ultegra R8000 GS 11S
-Shimano 105 R7000 11S