Does simple green

[brok]

cause plastic to turn that ugly milky color like I have seen other degreasers/clearners do ? I once had the plastic thing that is between the rear cassette and the spokes ( it actually attaches to the spokes I think) turn ugly after cleaning the cassette and chain and I don't want that to happen on my current bike. Thanks for the help ladies

[SouthernBelle]

There was a recent discussion about the plastic thing. It has a name and is totally unnecessary and can be removed.

Does anybody remember this thread?

[Lise]

Something like "I'm a dork". Maybe search "dork"!

[brok]

Thanks for pointing the way to the "dork disk" thread. Mine is coming off - the kids at school already think I'm a dork because I wear a helmet

[xeney]

Man, I'm sorry I read that thread, because I still have the dork disk on my Bianchi, since my husband doesn't have a tool to remove a Campy cassette. He says I have to figure out how to remove it myself since I'm the one who wanted Campy. And I am too embarrassed to ask the bike shop to do it.

[roadfix]

Man, I'm sorry I read that thread, because I still have the dork disk on my Bianchi, since my husband doesn't have a tool to remove a Campy cassette. He says I have to figure out how to remove it myself since I'm the one who wanted Campy. And I am too embarrassed to ask the bike shop to do it.

Take a pair of needle-nosed pliers and break away bits and pieces of the dork disc. It'll only take a few minutes.
Make sure your derailleur L limit screw is set properly. You don't want that chain jumping over the large cog and jamming between the cog and spokes. The dork disc prevents that from happening in case your derailleur is maladjusted.