Duncan Cooper said:Just finished building a new bike. Now that the paint's
cured it's time to address coating the inside of the frame
tubes to prevent rust (steel frame).
You don't need anything inside the frame from my experience.
The only frames that I saw rust out were those where a
painter left a newspaper or rag in the seat tube. These get
moist and can cause tube failure. I've ridden a few bicycles
over 100,000's of miles in all kinds of weather here and in
Europe with no rust problems. My frame builders, Johnson and
Ritchey can tell you the same. They don't coat the insides
of their steel frames with exotic preparations.
Quoted message said:I know about JP Weigle Framesaver, but I suspect there are
other ways to do the job. Linseed Oil ? Other methods ? Do
I really want to put something petroleum down the seat
tube (don't want the seatpost to slip) ?
Putting grease on the seat post and frame tube is a good
idea, rather than one to be avoided. This prevents water
from intruding between aluminum and steel, a high corrosion
pair if there is one.
Quoted message said:Before I do something I regret, I seek the "wisdom of the
hive". Someone has crossed this bridge before.
Just skip the effort that will not improve your frame's
durability.
Jobst Brandt [email hidden]