12T pulleys for Shimano road work on all the newest Shadow-style rear mechs AND many previous models as well, such as Ultegra 6800 and Dura Ace 9000 systems. And they fulfill the single most important aspect of any cycling endeavor; They make you look as pro as they make you feel. Visit www.bbinfinite.com 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 Ceramitech bearings are in-molded for absolute security and durability as well as ease of maintenance. Ceramitech 12T Shimano Road pulleys blow the stock pulleys away when it comes to spin, and the oversize diameter reduces chain pin working angles to eliminate every bit of friction possible. Compatible with: ULTEGRA 6800 ULTEGRA R8000 DURA ACE 9000 DURA ACE R9100 105 R7000 It's a mystery to us why major manufacturers ignore bottom bracket and derailleur pulley performance and continue to pump out under-performing products that sap wattage from riders who are working like mad to get faster. You have the BBInfinite bottom bracket with Ceramitechs already, and you've experienced the tremendous gains. It's time for another step forward toward your goal. Get the most out of your ride by riding Ceramic derailleur pulleys
Eliminating parasitic forces that are slowing you down is easy with BBInfinite’s new 12 tooth oversize pulleys that are optimized for the newest Shimano Road group sets. These stop-drop style pulleys feature our legendary Ceramitech bearings molded into a Delrin cog set for crisp shifts, incredible durability, and extreme spin performance.
Comments will be approved before showing up.