All the bearings and seals you need to rebuild a differential in one convenient kit. Check out AB's Honda TRX pinion repair sleeve, designed to repair worn pinion bearing surfaces saving the customer hundred of dollars. Now included in all Honda TRX rear differential kits! Quality design and construction of every All Balls piece meets the toughest standards and conditions - from daily commuting to full-on racing, all older bearing and seal designs are upgraded to the best and latest specs and designs.