BBT-18 Bottom Bracket Tool

Product Information

The Park Tool BBT-18 is your go-to for servicing various modern bottom brackets and e-bike chainring lockrings. This robust, investment-cast tool offers precise engagement for both installation and removal tasks, covering a range of common components. It’s designed for durability and ease of use, making it a valuable addition to any cyclist's toolkit, whether for routine maintenance or more involved repairs.

Features

• Designed for 8-notch tool fittings, ensuring secure engagement.
• Compatible with Shimano Octalink drive-side bottom bracket cups with external notches.
• Works with ISIS Drive bottom bracket cups, including Truvativ and Bontrager.
• Functions as a front chainring lockring tool for Bosch Gen 3, Gen 4, and Gen 5 e-bike systems.
• Also services front chainring lockrings for Specialized Levo Brose e-bike systems.
• Investment-cast construction for heavy-duty performance and longevity.
• Features 36 mm wrench flats for use with a wrench or crow foot.

Specs

• Material: Investment-cast steel
• Number of Notches: 8
• Nominal Outside Diameter: 43.4 mm
• Center Hole Diameter: 22.5 mm (will not fit over 30 mm spindles)
• Inside-to-inside width: Approximately 38 mm
• Notch Width: Approximately 3.9 mm
• Weight: 96g