Sram 11 Speed X-Horizon derailleurs, 12T Ceramitech Pulley Set (set of 2)

  Info Product Intro Vid Maintenance Vid Rock solid chain control means crisper shifts while Ceramitech bearings channel all your hard work to the ground. Each cog set features DELRIN® 510GR construction, a fiber reinforced polymer specially suited to high strength situations where resistance to deflection is paramount, such as every time you shift. The Sram Ceramitech bearings are in-molded for absolute security and durability as well as ease of maintenance.     The Ceramitech bearings feature an enhanced MTB seal and are filled with Kluber IsoFlex NB52 for smooth running. These ceramic derailleur pulleys blow the stock pulleys away when it comes to spin, but do not spin for minutes on end like our road 12T bike pulleys do, and this is due to necessary, off road enhancements for durability. BBInfinite ceramic 12T pulleys have a 1-Year warranty. Both black or red Sram derailleur pulleys are compatible with: EX1 X-HORIZON™ REAR DERAILLEUR GX 1x11 X-HORIZON™ Rear Derailleur G