Drill a big hole at the lowest point of your bottom bracket for moisture/water drainage (except maybe if you have a CF frame) Make sure all threads, even the smallest nut and bolt, are perfectly clean and oiled/greased. Grease all cables, der and brake, before installing.
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Il faut de l'audace, encore de l'audace, toujours de l'audace
1980 3Rensho-- 1975 Raleigh Sprite 3spd
1990s Raleigh M20 MTB--2007 Windsor Hour (track)
1988 Ducati 750 F1