Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch GSRD A light and durable SmartForm

A light and durable SmartForm C2 Alloy frame

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Designed for strenuous exercise of 2 hours and over

Full wireless technology means an all-new Battery

Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch GSRD A light and durable SmartFormThe 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. Specifications Installs and removes components with eight notch tool fittings, including Shimano Octalink drive side bottom bracket cups with external notches, ISIS Drive bottom bracket cups (including Truvativ and Bontrager),