Originally Posted by urbanknight
I'm trying to install an RPM/Nashber ISIS bottom bracket, but this ring on the spindle won't let the Park BBT-2 tool get inside the cups. It turns the non drive cup just fine but only if the bottom bracket isn't there. Am I doing something wrong? Did Park make different versions of the BBT-2? What am I doing wrong?
Yes, there are two different tools called the BBT-2. The old one fits octalink cups, the new one fits octalink and ISIS cups. Why Park didn't change the part number is beyond me; both tools look absolutely identical on the outside.