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The cage unleashed.
CeramicSpeed's Oversized Pulley System frees up to 60% of the friction in your Shimano mechanical derailleur's pulley cage, leaving you with a savings of at least 2.4 watts. This incredibly smooth OSPW system was developed and handmade in Denmark using large 17T alloy pulley wheels that spin on ultra high-precision ceramic bearings. Every little bit counts when you're vying for the win, and CeramicSpeed makes sure nothing is left out on the road.
- 17T alloy pulley wheels w/ ceramic bearings
- Carbon-reinforced polyamide cage
- Titanium mounting hardware
- Handmade in Denmark
- Efficiency claims verified by Friction Facts in Boulder, CO
- 4 year warranty
- Includes ceramic bearing oil
- Claimed weight is approximately 70 g
- Compatible with Ultegra/Dura Ace (6800/7800/7900/7970/9000/9070)
Ordered by Most Relevant First
Its worth it....
I think its worth the upgrade.
Drive train feels lot more smooth.
Only had it a week. But I do feel the difference.
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