Originally Posted by
unikid
How much seatpost actually extended down into the frame tube? It seems odd the frame would break there unless there was a very minimal seatpost inserted.
Where the seat post is clamped is a smaller diameter than below. So there is some tiny "wiggle" room. Seat post is plenty long and probably extends 6 inches into the tube.
Don't know if you can see it, but the crack is where the tube diameter changes. Bigger below the crack.