Park Tool 6 Notch Bottom Bracket BB Tool BBT-4Park Tool Bottom Bracket Tool BBT 4 Made in USA The BBT 4 is made for the installation and removal of 6 notch SC S and AC H cartridge cups used on sealed cartridge bottom brackets. These bottom brackets have six notches around the outside of each cup. The handle of the BBT4 is vinyl coated for comfort. The major diameter of the tool is nominally 44mm, and the minor diameter 38mm. Dcbikes Product Features : Compatibility: Campagnolo Veloce Xenon Mirage

Only for the Threaded Bottom Bracket BB : BSA 30

Oval chainrings work because the rider does not produce power evenly through the pedal stroke

For all Banjo and all Inserts

Nickel Plated (Presta valve)

⚠ Rings 44T/32T/22T

It reduces friction effectively

The two-leg design is space-efficient and very stable

Press Fit Bottom Bracket BB Shell

The derailleur hanger extension is a unique adapter that offsets the position of your derailleur to make it possible to run a wide-range mountain bike style big cassette

Muc Off Water Soluble De-Greaser quickly and safely eliminates built-up oil

37 in x 24 TPI Frame Shell

Weight 261g