Join Date: Jul 2000
Bikes: 1959 Capo; 1980 Peugeot PKN-10; 1981 Bianchi; 1988 Schwinn KOM-10;
Mentioned: 6 Post(s)
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1) The Helicomatic is an integrated rear hub/freewheel/cogset system, the evolutionary bridge between the old style thread-on freewheels and the modern freehub. As long as it works, just enjoy it. When it dies or begins to give you trouble, replace the entire rear wheel, cog cassette, freehub, rim, spokes, and all.
2) To fix the brake system, replace the cable housings, cables, and brake pads. I strongly recommend KoolStop pads for improved braking. There is nothing wrong with the Weinmann Vainqueur 999 brake calipers themselves (750 indicates the longer-reach version; the shorter ones were 610s).
3) If your bottom bracket goes bad, you'll have to determine whether you have Swiss (metric) or English/ISO threading. In either event, the drive side cup will have reverse (clockwise to LOOSEN) threading. My 1980 Peugeot uses the Swiss system, for which replacement parts are very hard to find; by 1984, Peugeot MAY have switched to world-standard English/ISO threading. (If your bike was built in Canada, I can guarantee it has English threading.)
4) Peugeot frames are great. (See my signature. I rode the UO-8 to work this morning.)
5) Get very familiar with SheldonBrown.com. Sheldon loves French bikes and has entire articles about how to restore and update/upgrade them.
"Early to bed, early to rise. Work like hell, and advertise." -- George Stahlman
Capo [dschaw'-poe]: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger, S/N 42624
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1981 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069