Engages the 16 notches of the external bearing cups. Small plastic tool engages the 8 internal splines of the crank arm adjustment cap and engages 16 notches of the external bearing cups for Shimano® BB 9000 for easy removal or installation. * Shimano® is a registerted trademark of Shimano Inc.

Specifications
Tool Material: CrMo steel / Engineering grade polymer
Size: ø5.2 x 4 cm / ø2” x 1.6” (2 pcs)