Bottom Bracket Cage Bearings
These bottom bracket cage bearings are of a high quality, and are made to last. 

Features

• RAC0135120P - 1 Piece 5/16" x 9  
  • Interior diameter 33mm
  • Exterior diameter 45mm
  • 5/16" (7.94mm) ball bearing (x9)
• RAC0145105 - MTB (Small) 1/4 x 9
  • Interior diameter 18mm
  • Exterior diameter 29mm
  • 1/4" (6.35mm) ball bearing (x9)