SHIMANO 6800 Ultegra 11-Speed Crankset Review Posted by Pelicandy September 17, 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. Random Products Cycle Group PX-CT1300MIN-BK Promax 10mm x 1 Axle H... SHIMANO Dura-Ace FC-9000 Compact Crankset – ... CyclingDeal Shimano FC-M391 Mountain Bike Bicycle ... Funn Solo Narrow Wide Chain Ring 30T Review Cycling Outdoor Recreation Parts & Components SHIMANO Sports & Outdoors