SHIMANO 6800 Ultegra 11-Speed Crankset Review Posted by GiantPandaisy July 8, 2018 in Drivetrain Components New front derailleur chain guide design to reduce chain drops Hollow glide chain rings 11 speed compatible Made in Japan Borrowing 9000 Dura-Ace technologies, the Ultegra 6800 crankset now has Optimum Power Transfer 4-arm design. Cycling Outdoor Recreation Parts & Components SHIMANO Sports & Outdoors