CERAMICSPEED OSPW X Shimano GRX/Ultegra RX 2X Coated Derailleur Cage Black, 11s

This 13-tooth upper and 19-tooth lower OSPW System has been platform proven at races like Paris Robaix, Strada Bianche and CX World Cups. The system is built for gravel and cross disciplines and meets the needs for durability, low friction and longevity. The four spring tension settings allow customised setup based on ride conditions, and the hand built OSPW System offers custom molded carbon fiber cage for lightweight and durability. CeramicSpeed OSPW Systems reduces friction 35-40% over stock pulley configuration. Only compatible with the ‘2X-specific’ GRX 810, GRX 815, as well as the RX800, and RX805 derailleurs. In the box: - Complete OSPW X System for Shimano GRX/RX 2x11 - CeramicSpeed Oil for Pulley Wheel Bearings, 15 ml. dropper bottle Features: - Customizable spring tension for a personalized setup - Reduces friction 35-40% over stock pulley configuration - Lightweight custom molded carbon fiber cage ensures durability Specifications: - Net weight: 70.0 g - Gross Weight: 132 g - Pulley Material: Aluminum