Originally Posted by
bluenote157
When I had my peugeot, I recall the biggest chainring to be 48T?? ..which meant that it wouldn't touch the chainstays. HOwever if you have a modern crank with say 53T, it might actually rub.
I think if you go to the sheldon site, you can find what the distance from center of chainrings to the center of the seat tube should be. I think its something like 43mm??
I'm pretty sure 118 is for triple and 109.5 is for double. The only other measurement would be the casing width but i think peugeots are 68 IIRC. I will be installing my 105/DA crank/BB tonight and can measure up anything you might be after??? Would the distance from the BB casing to the smaller chainring help you??
My biggest chainring always was a 53, as it used to be Eddy Merkx training bike. This was fine on the Stronglight cranks originally installed, so should be fine now.
Thanks for the Sheldon site (what would we all do without this guy?) reference. I did dig around on his site, but he is a far better bike specialist than he is a website builder...I basically could not find it. If you have a direct link to this info please include it in your reply :-)
You're right on the casing length-it is 68.
If you are installing yours tonight, could you reply with two pictures? One taken from the top down of the cranks that will allow me to see how much space between the rings and the stays you have, and one from either the front or the back, allowing me to see the chainline. I think a visual would be more help than measurements, although any measurements are of course very welcome. Thanks so much for the kind offer! Happy building!