Keep your mountain bike spinning smoothly with this XT-level press-fit bottom bracket. The fiber-reinforced polymer cups are designed to hush annoying frame creaks while protecting your precious ride. Installation is a total breeze, letting you spend less time in the workshop and more time shredding trails. With sealed cups and a maintenance-free design, it’s the reliable heart your HollowTech II cranks deserve.


                  

                    
                      

                        
Type
                        
Press Fit
                      
                    
                      

                        
Crank Compatibility
                        
Shimano HollowTech II MTB
                      
                    
                      

                        
Frame Compatibility
                        
Specialized 3.33 in shell width
                      
                    
                      

                        
Shell Width Support
                        
3.52 in (with spacer) or 3.62 in
                      
                    
                      

                        
Cup Diameter
                        
1.61 in
                      
                    
                      

                        
Material
                        
Fiber Reinforced Polymer
                      
                    
                      

                        
Performance Level
                        
XT Series
                      
                    
                      

                        
Inclusions
                        
Left/Right cups, Inner cover, O-rings, 0.10 in spacer