Complex sentence: McCandless' finished design was expensive, as it required over forty feet of best Reynolds steel and was a welded twin loop with a swinging arm fitted with his own design of shock absorbers, with a heavily braced cross-over headstock.
Split into simpler sentences: McCandless' finished design was expensive, as it required over forty feet of the best Reynolds steel. It was a welded twin loop with a swinging arm fitted with their own design of shock absorbers, with a heavily braced cross-over headstock.