Park Tool BBT-9 Bottom Bracket Tool product-type_handlebar-tape and 40% stronger than steel

and 40% stronger than steel handles

CNC Machined from a solid block of 6061 T6 Aluminum

Specifically designed to fit 29er mountain bikes

They have been 100% tested in Buzz Racks production line

Edge® 820

Park Tool BBT-9 Bottom Bracket Tool product-type_handlebar-tape and 40% stronger than steelAbout Park Tool BBT 9 Bottom Bracket Tool 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 bottom bracket cups. The other end of the tool engages the 8 internal splines of the crank arm adjustment cap on Shimano Hollowtech II systems. The BBT 9 fits cups and lockrings with 16 external notches and an outside diameter of approximately 44mm. Features 16 notch 44mm