X tools bb tool octalinksquarex tools offer a comprehesive range of bicycle tools with quality built in and at great value prices whatever job is looming be it maintenance or a rebuild x tools have the equipment you need featuresthe x tools bb tool fits cartridge bottom brackets including those with oversized octalink pipe billet spindlesthe 20 tooth spline interface fits securely into the bb cup for easy removalbuy x tools products from chain reaction cycles the worlds largest online b