Product Name :

Eccentric lower Pulley (4.7mm)

Product Description
14t & 16t Eccentric lower Pulley.
4.7mm away from the center.
Fit Shimano, Sram, and Campagnolo all series~~

  • Make a "Oversize Pulley" on the original cage.
    -->Less Modify makes more effect.  
         You don't have to switch the whole derailleur cage.
  • Make more space for longer chain
    -->Make big to big and small to small. 
Product Introduction