Originally Posted by
smd4
A lot of the 3TTT bars have a formed "bulge" in the center of the bar (as seen in the image above) that is said to eliminate the creaking that can sometimes plague bars like Cinelli's that use a separate sleeve over the center.
Thanks, I have a 66-40 that creaks occasionally and knowing it’s just the sleeve saves me from untaping it looking for the source of the creak.