Park Tool Bottom Bracket Hollowtech II Tool (BBT-9) chains making it a good looking

making it a good looking option for extra carrying space on your Hase trike

you simply stay dry and comfortable

2019    SJ FSR ST WMN    SJ FSR ST WMN COMP 29

2016    ENDURO FSR    ENDURO FSR EXPERT CARBON 650B

Park Tool Bottom Bracket Hollowtech II Tool (BBT-9) chains making it a good lookingThe 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. The BBT 9 works with many external bearing crankset bottom brackets, including: Shimano