Originally Posted by
caloso
Electrician's tape.
Yep! Very useful in marking seat heights when travelling with your bike(s). And buy a good 3M tape. $4 bought me a 3M Super 33 at Home Depot the last time I bought one. Good quality electrician's tape are worth their weight in gold, as the adhesive don't run, and they stay put where you put them and do their job well.