TL-FC34 HollowTech II Dura-Ace 9000 Bottom Bracket Socket

##Shimano TL-FC34 HollowTech II Dura-Ace 9000 Bottom Bracket Socket The Shimano TL-FC34 HollowTech II Dura-Ace 9000 Bottom Bracket Socket is an installation adaptor for use with Shimano Dura-Ace 9000 bottom brackets. The socket allows you to use an Impact wrench for precise and strong tightening/loosening of the cups.