|   • 
                    HollowTech II integrated bottom bracket uses a wider bearing 
                    placement and larger axle diameter for increased stiffness 
                    and efficiency. 
                     
                    • HollowTech II integrated bottom bracket seal design 
                    has minimal bearing interface ensuring smooth rolling and 
                    increased durability. 
                     
                     
                   
                     
                     
                   
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