Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch R0 High Steady: 2 hrs CHARGE

High Steady: 2 hrs CHARGE TIME 5 hrs RECHARGEABLE Yes (via USB-C connector) WEIGHT 167 g / 5

Consistent fit throughout long rides

reliable shifting and exceptional durability

For rides on smooth surfaces

Resin ribs on the back of the chainrings are 105's unique structural design that achieves both weight reduction and crisp shifting performance

Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch R0 High Steady: 2 hrs CHARGEThe 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),