Eurostyle - best of luck
If you can complete Styrrkoproven in 18 hours "cruising" you are a very fit man
Such a lot depends on weather (especially on the mid Mountain phase to Lillehamer), working with a decent group and feeding strategy.
I rode with a team of 14 from Norway - only 8 finished as last year as the weather was particularly gruesome.
Use tried and tested equipment and Aluminium rimmed wheels - the roads, if they are wet, will trash Carbon rims over that distance and time.
Pain is Temporary, Glory is forever and light is expensive
Cingles Number 2860
Colnago Extreme C
Colnago Nuevo Mexico 1983
Scott CR1 SL
Scott Scale 50 MTB