Alloy / Ceramic Bearing 11T / 13T Bike Jockey Wheel Rear Derailleur Pulley. Good for speed 7, 8 and 9 bike

  • 7075 Aluminum CNC Wheel. 
       Alloy Bearing Pulley: 11g /ea
       Ceramic Bearing Pulley: 7g /ea 
  • OD, 42mm for 11T & 49mm for 13T pulley
      4/5/6mm ID for 11T Ceramic Bearing and 13T Alloy Pulley 
-two additional bushings 
      5 mm ID for 11T  Alloy Bearing Pulley

Price is for 1 pulley