Shimano Ultegra / Dura-Ace Nova Ride Pulley System, this product consists of a carbon cage and 2 7075 aluminum rollers (14 and 17 teeth) with fully ceramic sealed bearings. In this version, the oversize cage is only compatible with Shimano Ultegra R8000-8050-8070 / Dura-Ace R9100-9150-9170 rear derailleurs. The NOVA CARBONE ceramic shift cage improves the smoothness of your drivetrain, allowing for a power gain to satisfy the most demanding. Designed with the highest quality materials: an ultralight carbon fiber screed. Two oversized aluminum rollers, which coupled with ceramic bearings reduce the winding angle of the chain with minimum friction.
- In this version, the oversize cage is only compatible with Shimano Ultegra R8000-8050 / Dura-Ace R9100-9150 rear derailleurs.
- Specifications: Weight: 72g.
- Power gain: 4 - 5 W compared to a conventional screed.
- Black colour.