Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch C-class tablet or laptop to your

tablet or laptop to your sportwatch

The much higher precision AND harder SILCA S2 key with thin-dense Chrome coating is both 16% harder AND more dimensionally accurate resulting in only minor deformation of the fastener after 50 tighten/loosen cycles

5" upper bearings

48MP (8064x6048)

Track axle is only compatible with the black 2013-present native 11-speed 188 disc hub

Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch C-class tablet or laptop to yourThe 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),