Rear chain guard is it necessary?

[Stevec047]

Just got a new set of wheels and took the cassette off the old wheel and refitted it to the new. After emptying the tub I used to degrease and clean the cassette and bits I noticed I had forgotten to install the plastic chain guard to the new wheel.

How many of you have these installed and will it cause any issues if I don't.

Really don't fancy removing the cassette again but if it's best to have it installed I will?

 

[screenman]

See the other topic just posted.

 

[Stevec047]

See the other topic just posted.

Ah well I better get the chain whip back out a fit it don't fancy the chain slipping over the cassette and into the rim.

Thanks

 

[screenman]

I would imagine but cannot remember that most of my bikes do not have them on, my gears are correctly adjusted and rear march alignment regularly checked.

 

[ianrauk]

They are not needed if the gears are set up correctly.

 

[Fab Foodie]

It's not essential if the gears are properly adjusted. None of my derailleur bikes have them.

 

[Racing roadkill]

No

 

[Stevec047]

Hmm I never had any issues with the chain slipping over the top of the cassette when fitted to the old wheel and only ever had it drop of the bottom once and a quick adjustment of the mech sorted that out.

But I now have that seed of doubt what to do

 

[Stevec047]

Actually that's another question will I need to reindex the gears now I have fitted a new rim or should it just fit in place and off I go?

 

[drummerbod]

Your rear mech has to be really badly adjusted for the chain to slip past the largest cog and into the spokes.

However, if you bend the hanger due to an accident for instance and don't notice then the chain may go into the spokes.

Personally - I don't like them.

 

[Spiderweb]

You don't need it, it's ugly. If the limit screws are set correctly then you'll never have issues.

 

[screenman]

You have I take it replaced the hanger, if so have you checked it for alignment.

 

[Spiderweb]

You have I take it replaced the hanger, if so have you checked it for alignment.

Am I missing something here?
Why would you need to replace the hanger if the Op has simply replaced the wheels?

 

[Apollonius]

The second thing to go in the bin with any new bike. The first is the reflectors.

 

[screenman]

Am I missing something here?
Why would you need to replace the hanger if the Op has simply replaced the wheels?

Oops! I have lost the plot, I have responded to the wrong topic. I will leave it there to show what a complete wally I am. No offence meant to anyone called wally