Sette ST-28BB Bottom Bracket Tool - TruVativ
Makes Bottom Bracket Removal Easy
The Sette ST-28BB Bottom Bracket and Chainring Lockring Tool is used for removing and installing bottom brackets which use 8 external notches, such as Shimano XTR, Bontrager, and TruVativ (ISIS Drive type). The ST-28BB tool fits notches with a diameter of nominally 44mm (1.75-inches). The ST-28BB also fits the chainring lockring on older Shimano XTR (950), XT, LX, and STX-RC cranksets.
I bought myself a Truvativ bottom bracket and didn't know ( due to my lack of attention) that this tool was needed. I got sticker shock when I looked this tool up on the Park Tool site. I found this tool here and just had to snap one up. You need a socket to use it with a torque wrench. This tool gets the job done beautifully.