Park Tool BBT-9 Bottom Bracket Tool

The Park Tool BBT-9 Bottom Bracket Tool is designed to uninstall and install external bearing crankset bottom brackets. The larger side has 16 notches which easily fits into the grooves of the nuts. The smaller end has 8 internal splines, which easily engages inside the inner diameter of the hollow nuts. This bottom bracket tool can be used with Shimano® Hollowtech II, Campagnolo® Ulta-Torque and Power Torque, Race Face®, FSA®, SRAM® etc.