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Old 05-01-17 | 03:08 PM
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Lascauxcaveman
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From: Port Angeles, WA

Bikes: A green one, "Ragleigh," or something.

Originally Posted by Dornfield
... I'm replacing the chain rings and find that they are BCD 72mm, 50T and 40T (StrongLight) rings. I can't find anything like that as current: are my measurements likely to be out? I've replaced the rear cassette with a new Shimano 7 speed: what should I be using on the chain rings, given the 72mm BCD measurement. I'm pretty certain it is not as much as 74mm I'd rather not have to replace the whole shaft do the pedals too.

...
Welcome to the forums!

Never heard of Stronglight rings with a 72bcd, so my guess is they are likely 74bcd, which used to be fairly common. I bought some a few years ago from Spa Cycles, Harrowgate, England. They probably still have them in stock.

Most of the advice you'll get here in regards to your old brakes will be: clean them, lube them, re-cable them and most of all, get new KoolStop or similar brake pads. Do all that, and they are probably pretty good brakes.
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Last edited by Lascauxcaveman; 05-01-17 at 03:16 PM.
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