stems can become very tight in old frames. Aluminum and steel chemically weld together. This means that you may have to use a decent amount of brute force to get the the stem, twisting to start of with before being able to pull it out. There are a few threads on here for tips on removing stuck stems.
stems can become very tight in old frames. Aluminum and steel chemically weld together. This means that you may have to use a decent amount of brute force to get the the stem, twisting to start of with before being able to pull it out. There are a few threads on here for tips on removing stuck stems.