Park Tool BBT-18 Bottom Bracket Tool for 8-Notch ISIS Cups Towels we've spent over 20 years

we've spent over 20 years perfecting the art of adventure—and underwear

Constructed with high-quality bluesign-approved recycled high-tenacity nylon

and easy to slip on and off

93kg Fast Fly Weight 3lb 4oz / 1

- Fits XTR BR-M9000

Park Tool BBT-18 Bottom Bracket Tool for 8-Notch ISIS Cups Towels we've spent over 20 yearsThe BBT 18 is a heavy duty investment cast tool for removing and installing components with an eight notch tool fitting, including select cartridge bottom brackets, as well as chainring lockrings on some e bike drivetrains. BBT 18 FEATURES Installs and removes the following components with eight notch tool fittings: Shimano Octalink drive side bottom bracket cups with external notches ISIS Drive bottom bracket cups including Truvativ and Bontrager