Park Tool BBT-118 - Steel Bottom Bracket Tool 8-Tooth Splines: Shimano & Isis Sealed Cartridge

Constructed from precision-machined 4140 steel, the BBT-118 is a heavy duty tool for the removal and installation of select bicycle components with an eight-notch tool fitting

Features

• Extra-deep body to accommodate extra-wide spindles and low-profile walls at the point of engagement for recessed lockrings
• Three methods of tool engagement: 3/8 inch drive fitting, 1 inch socket fitting, and 36 mm spanner flats, allowing you to take on even the most seized components
• Integrated threads for use with the Park Tool BBT-RS Bottom Bracket Tool Retaining System or GPS-1 Guide Pins (sold separately) to anchor the tool for added stability
• Fits Shimano Octalink drive-side bottom bracket cups with external notches
• Fits ISIS Drive bottom bracket cups including Truvativ and Bontrager
• Fits front chainring lockrings for Bosch Gen 3, Gen 4, and Gen 5 e-bike systems
• Fits front chainring lockring for Specialized® Levo Brose e-bike systems
• Intended for extraction; for installation, non-marking Aluminium BB tools are recommended
• Covered by Park Tool's legendary limited lifetime warranty

Specifications

• Material: Precision-Machined 4140 Steel
• Fitting Type: 8-Notch Tool Fitting
• Drive/Tool Engagement: 3/8 inch drive, 1 inch socket, 36 mm spanner flats
• Usage Restriction: Not intended for impact-driver use