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                    Genuine Shimano HollowTech II bottom bracket assembly. 
                     
                    • Set includes left and right hand cups, spacers, inner 
                    cover, and inner O-rings. 
                     
                    • Light weight seal structure helps to remove vital 
                    grams. 
                     
                    • Sealed cups keep out dirt and water. 
                     
                    • Maintenance free. 
                     
                    • Compatible with 68 mm and 73 mm shell. 
                     
                    • Durable silver anodised finish. 
                     
                    • Easy installation. 
                     
                   
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