Spacely Sprockets, Cogswell Cogs, and the Dork Disk

[handyandy1100]

I've got 2 - 5 cog freewheels, one from a 15 speed and one from a 10 speed. Can the two be interchanged? The 10 speed one has bigger teeth, which makes me think it won't work with extreme chain angles of the 3 sprocket front chain wheel.
So while I'm messing with cogs and sprockets, the yellowed, brittle plastic spoke guard broke into a hundred pieces. That wasn't important was it?

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[GTV]

If they fasten the same way then they should be interchangeable.

Dork discs are good for those who don’t know how to adjust dérailler stops.

 

[handyandy1100]

If they fasten the same way then they should be interchangeable.

Dork discs are good for those who don’t know how to adjust dérailler stops.

Guess I better order a new disc...

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[horsefarmer]

Dork discs are fun to smash and remove, Especially when they are rotten and extra krispy!

 

[RustySprockets]

I almost always remove the plastic disk--I sometimes replace it with a metal one. Depends on where I'll be riding. If there's a high risk that the derailleur may get bent, having a disk could save your wheel. For casual riding, they're pointless...learn to adjust your limit screws instead.

 

[handyandy1100]

If I wasn't doing my first ever derailleur transplant, I'd just go without disk. Don't want my first time of setting up a 10 speed drive train the reason for my first lesson in lacing a wheel! LOL

Anyway, found this great rust freckled face dork. Gotta be cooler than any plastic disc.