Can be used with any 8mm allen key or 3/8" socket drive.
Icetoolz SHIMANO HOLLOWTECH 2 External Bottom Bracket Tool (NEW) Mega Exo 11F3
Pre load crank arm bolt cap M20 Shimano Hollowtech 2 Crank M20
CRANK ARM INSTALL REMOVAL TOOL PRELOAD TENSION SHIMANO HOLLOWTECH 2 II TL-FC16
