Originally Posted by
3alarmer
.
...in case you have not yet considered this, the bicycle rims you buy today from companies like Sun (the CR18's) and many others are far superior in construction design and manufacturing than a set from the 80's . They are lighter, more resistant to deformation, and are very often easier to build than many 70's-80's rims. In general, given your description of the history and current status of your wheels, rebuilding appears to be the way to go. The rim diameter you pick is kind of up to you, but 700c gives you a lot more tyre choices.
Rigida 13/20 (700C).... 425 grams
SUN M13 ll (700C)...... 452 grams
SUN CR 18 (27").........552 grams
all are:
double-wall construction
eyelets only on inner (exposed) wall
outer walls are not reinforced
pinned joints
I've been running 2 pair of (1980's) Rigida 13/20 for some time without any issues. Same goes for my SUN M13 ll rims, so I can't say which are better.
Is it the metallurgy of the SUN rims that make them far superior to the Rigida's ?