Park Tool BBT-18 Bottom Bracket Tool for 8-Notch ISIS Cups FBA breathable and robust schoeller® soft

breathable and robust schoeller® soft shell material without a membrane

•Minimalist design

Easily stash and organize your gear with large and small front zippered pockets

EVA sockliner cushions the foot and puts a spring in your step

and internal zippered pouch

Park Tool BBT-18 Bottom Bracket Tool for 8-Notch ISIS Cups FBA breathable and robust schoeller® softThe 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