Hot answers tagged carbon
@DWGKNZ was right, turned out that there was a 3mm hex at the bottom. Picture of the removed plug, upside down: Thanks for quick and useful advice.
Riding without enough seat post in the bike is a real problem. Not only do you increase the mechanical advantage of the seat post against the seat tube but you put stress where the bike was probably not designed to take stress. And you are putting stress in the area of the top tube and seat stay. You state you have been riding with a longer post. Have ...
If you're really that concerned, get a roll of 3M "copter tape" and cut it to the same size as the cleat. Given the cleat should never move, the most you should get is a bit of marking where the cleat sits which you'll never see as the cleat should never move (and it's helpful when you're replacing cleats)
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