Quite a few going on ebay atm. I've always been put off the twenty by the strange BB threading though, makes it a complete git to put anything more modern / sealed in there unless you go with one of the BB's designed for frames with buggered threads.
Quite a few going on ebay atm. I've always been put off the twenty by the strange BB threading though, makes it a complete git to put anything more modern / sealed in there unless you go with one of the BB's designed for frames with buggered threads.