$90 is a bit high, it would take a bunch of parts but could end up with a top tier bike. The biggest thing would be to get some NaOH here in Cambodia. I have to look next time I am in Phnom Penh.
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72 Geoffery Butler, 72 Gugificatizion Witcomb, 72 Raleigh Gran Sport SS, 74 Raleigh GrandPrix dingle speed, 74 Raleigh international, 81 Centurion Pro-Tour, 85 Gazelle Primeur, 29rBMX, Surley Steamroller 650b