H hamster Retro Wizard Feedback View Sep 12, 2014 #12 If the seat tube was heavily distorted during brazing it would ovalise and the necessary seatpost would be smaller. Tony Oliver in his book said that with a raw tube 27.4mm would fit, and a very careful builder could braze a frame to take 27.4mm.
If the seat tube was heavily distorted during brazing it would ovalise and the necessary seatpost would be smaller. Tony Oliver in his book said that with a raw tube 27.4mm would fit, and a very careful builder could braze a frame to take 27.4mm.
