Park Tool BBT-9 Bottom Bracket Tool up-r Special Shipping Group N/A decorateTable('product-attribute-specs-table')

Special Shipping Group N/A decorateTable('product-attribute-specs-table')

*Fits all cranks using 22mm x 1 threads and square

4 pawl driver with individual leaf springs for precise engagement

48oz/42g (full set of 6 - saves 27 grams from standard CrMo bolts)

Park Tool BBT-9 Bottom Bracket Tool up-r Special Shipping Group N/A decorateTable('product-attribute-specs-table')PRODUCT DETAILS The BBT 9 is used to remove and install external bearing crankset bottom brackets. One end of the BBT 9 securely engages the 16 notches of the bottom bracket cups. The other end of the tool engages the 8 internal splines of the crank arm adjustment cap. The BBT 9 fits cups and lockrings with 16 external notches and an outside diameter of approximately 44mm. USE: Installation removal of external bottom brackets including: *Profile