Bridge the gap on your bike frame with these clever alloy shims. These lightweight spacers allow your 1.37 inch front derailleur to clamp securely onto smaller tubes. Crafted from high-grade aluminum, they ensure a snug fit without adding unnecessary bulk. It is the perfect little fix for customizing your drivetrain with total confidence.


                  

                    
                      

                        
Material
                        
Aluminum Alloy
                      
                    
                      

                        
Primary Clamp Diameter
                        
1.37 inches (34.9mm)
                      
                    
                      

                        
Reducing Diameter Option 1
                        
1.13 inches (28.6mm)
                      
                    
                      

                        
Reducing Diameter Option 2
                        
1.25 inches (31.8mm)
                      
                    
                      

                        
Finish
                        
Anodized Black
                      
                    
                      

                        
Component Compatibility
                        
Front Derailleurs
                      
                    
                      

                        
Weight
                        
0.04 lb