Bicycle Mechanics - "Grub screw"

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rmikkelsen
02-21-07, 10:13 AM
Any idea what the "grub screw" does on the spring cage cover of a Campy Nuovo Record derailleur? I can't make heads or tails of it. Got the name from the 1974 catalog description.

FlatTop
02-21-07, 03:00 PM
I think it's a "set screw" in the U.S. A set screw is usually a headless screw that threads into an assembly in such a way that it retains it in position or adjustment.
ludeboy_77
02-21-07, 03:49 PM
I think it's a "set screw" in the U.S. A set screw is usually a headless screw that threads into an assembly in such a way that it retains it in position or adjustment.

+1

rmikkelsen
02-21-07, 06:59 PM
Ok thanks. I get it now. The one on the Nuovo Record spring cage cover serves as a stop to the rearward movement of the pulley cages. So it does not adjust.
JanMM
02-21-07, 07:21 PM
Google grub screw and you'll find sources to buy them from in the UK and Canada.
HillRider
02-21-07, 08:13 PM
Google grub screw and you'll find sources to buy them from in the UK and Canada.

Any hardware store, Home Depot or Lowes has them. Just look in the drawer marked "set screws" and pick the right diameter and length. Most places even have them in metric sizes.
JanMM
02-22-07, 06:48 PM
Any hardware store, Home Depot or Lowes has them. Just look in the drawer marked "set screws" and pick the right diameter and length. Most places even have them in metric sizes. Exactly right. But expect a blank look if you ask for "grub screws" in the US Midwest.
vpiuva
02-22-07, 07:05 PM
Sounds like National Geographic Channel porn :D