CyclingCeramic Aero rear derailleur hanger for Shimano 12-speed

Optimise the performance of your road drivetrain with the CyclingCeramic Aero cage and its oversized rollers, compatible with Shimano Dura Ace 9250 and Ultegra 8150 derailleurs.Designed to excel in road cycling, these rollers refine your drivetrain for precise gear changes and efficient power transfer. Rigorously tested by Frictions Facts, the rollers are among the fastest on the market, with a measured friction of only 0.033w, ensuring ultra-efficient transmission. CyclingCeramic claims a time saving of 40 seconds over a standard Shimano 12-speed cage over 40 km. Manufactured with precision engineering, these oversized rollers ensure smooth gear transitions and increased durability for long road rides. Installation is easy, offering a hassle-free upgrade to your existing derailleur setup. Technical specifications:- Derailleur pulleys: CyclingCeramic upper 14 teeth and lower 19 teeth¤
- Derailleur pulley material: Aluminium machined in France¤
- Cage material: UD carbon¤
- Bearings: Hand-assembled ceramic bearings
- Compatibility: Shimano Dura Ace 9250 and Ultegra 8150
- Cassette compatibility: Suitable for 12-speed cassettes from 11 to 34 teeth.
- Spring tension adjustments: 2 springs
- Speed: 12 speeds
- Weight: 110 grams¤

In the box:

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- Complete OSPW AERO system for Shimano Dura Ace 9250 and Ultegra 8150
- CyclingCeramic oil for derailleur roller bearings, 15 ml dropper bottle.
- Assembly instructions
- Sheet of stickers