ลูกรอก NOVA RIDE SHIMANO OSPW ULTEGRA / DURA-ACE 11S

NOVA CARBONE Ceramic rear derailleur cage improves the fluidity of your transmission, allowing a gain in power to satisfy the most demanding. Designed in very high-end materials: an ultra-light carbon fiber screed. Two oversized aluminum rollers, which coupled with ceramic bearings decrease the chain winding angle with minimal friction. In this version, the Oversize cage is only compatible with Shimano Ultegra R8000-8050 / Dura-Ace R9100-9150 rear derailleurs. Our installation video tutorial: https://youtu.be/lnAyf8G1qB0 Specifications: Weight: 72 g Power gain: 4 - 5 W compared to a conventional screed. International delivery.