These are the HPI Ball Bearings for the HPI MT2.                     
           These insert into the idler gear inside the differential.           
                                                                               
FEATURES: Bearings provide much smoother operation than bushings               
          Sealed to protect from dirt and debris                               
                                                                               
INCLUDES: Two bearings                                                         
                                                                               
REQUIRES: Installation per kit instructions                                    
                                                                               
SPECS:    Inside Diameter: 10mm                                                
          Outside Diameter: 15mm                                               
          Height: 4mm