Park Tool BBT-118 - Heavy Duty Steel Bottom Bracket Tool - 8-notch cups: Shimano / ISIS

Park Tool BBT-118 Heavy Duty Workshop Bottom Bracket Tool

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

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?a 3/8 inch drive fitting; a 1 inch socket fitting; and 36 mm spanner flats; allowing you to take on even the most seized components

For added stability; the BBT-118 features integrated threads for use with the Park Tool BBT-RS Bottom Bracket Tool Retaining System or GPS-1 Guide Pins (each sold separately) to anchor the tool in place whilst you work
• For Shimano Octalink drive-side bottom bracket cups with external notches
• ISIS Drive bottom bracket cups including Truvativ and Bontrager
• Front chainring lockrings for Bosch Gen 3; Gen 4; and Gen 5 e-bike systems
• Front chainring lockring for Specialized? Levo Brose e-bike systems
• Intended for extraction; for installation we recommend our non-marking Aluminium BB tools
• Not intended for impact-driver use
• Covered by Park Tool's legendary limited lifetime warranty