Park Tool BBT-118 Steel Bottom Bracket & Lockring Tool (Black)

Park Tool BBT-118 Steel Bottom Bracket & Lockring Tool Description: The Park Tool BBT-118 Steel Bottom Bracket & Lockring Tool is a rugged, shop quality tool specifically designed for the installation and removal of select bottom brackets and e-bike chainring lockrings with 8-notch tool fittings. Precisely machined 4140 tool steel ensures long life, and a 3/8" ratchet, a 1" hex fitting, and 36mm wrench flats give plenty of options for applying the leverage needed to remove the most stubborn components. Note: This tool is not rated for use with impact tools/drivers. Features: Heavy duty shop quality bottom bracket/chainring lockring tool A precision machined 4140 steel tool for the installation and removal of select threaded bottom brackets and lockrings with 8-notch tool fittings 8 notches with a nominal inside diameter of 37.6mm and an outside diameter of 42.7mm Extra-deep body to accommodate extra-wide spindles and low-profile walls at the point of engagement, with an internal clearance of 31.14 mm (1.226") depth (from tool face) x 22.48 mm (0.885") diameter Three methods of tool engagement, with a 3/8" drive fitting, a 1" hex fitting, and 36 mm wrench flats that give plenty of leverage options for removing seized components Can be used to install/remove (among others): ISIS Drive Bottom Bracket Cups (including Truvativ and Bontrager) Truvativ Giga Pipe Threaded Bottom Bracket Shimano Octalink Drive-Side Bottom Bracket cups w/ External Notches Chainring Lockring For Bosch Gen 3, Gen 4, and Gen 5 E-Bike Motors Chainring Lockring For Specialized(R) Levo Brose E-Bike Motors