Aligning disk wheel and chain

22dannyp
Posts: 5
Joined: Thu Sep 03, 2020 5:37 pm

Aligning disk wheel and chain

Postby 22dannyp » Thu Sep 10, 2020 6:51 am

Hello, I'm setting up a disk wheel on my track bike which has posed the following dilemma:
By playing with the spacers, if the wheel is centred to the frame, the chain is a little out of alignment, and if the chain is aligned perfectly the wheel is slightly off centre?
So what's more important?

ironhanglider
Posts: 2849
Joined: Fri Apr 17, 2009 9:44 pm
Location: Middle East, Melbourne

Re: Aligning disk wheel and chain

Postby ironhanglider » Thu Sep 10, 2020 8:54 am

22dannyp wrote:
Thu Sep 10, 2020 6:51 am
Hello, I'm setting up a disk wheel on my track bike which has posed the following dilemma:
By playing with the spacers, if the wheel is centred to the frame, the chain is a little out of alignment, and if the chain is aligned perfectly the wheel is slightly off centre?
So what's more important?
I suppose the question is how much is it off centre and in which direction? It is possible to move the cog relative to the wheel a little with a spacer. Making the cog sit closer to the wheel would be a bit more work.

Cheers,

Cameron

ironhanglider
Posts: 2849
Joined: Fri Apr 17, 2009 9:44 pm
Location: Middle East, Melbourne

Re: Aligning disk wheel and chain

Postby ironhanglider » Thu Sep 10, 2020 8:55 am

Alternatively, does the chainring need to be moved to fix the chainline from the other end?

Cheers,

Cameron

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P!N20
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Joined: Thu Jul 22, 2010 6:50 pm
Location: Wurundjeri Country

Re: Aligning disk wheel and chain

Postby P!N20 » Thu Sep 10, 2020 10:08 am

22dannyp wrote:
Thu Sep 10, 2020 6:51 am
a little out of alignment

If a little is only 2 or 3mm, then centre the wheel. The chainline can handle that variance.

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foo on patrol
Posts: 9536
Joined: Sat Dec 19, 2009 11:12 am
Location: Sanstone Point QLD

Re: Aligning disk wheel and chain

Postby foo on patrol » Thu Sep 10, 2020 11:45 pm

What is the bike, Road or Track? :? Idiot, I just looked at the thread. :lol:

Okay, have you taken the bike for a ride on the Track? What does the chain line sound like, under power and rolling?

Foo
I don't suffer fools easily and so long as you have done your best,you should have no regrets.
Goal 6000km

22dannyp
Posts: 5
Joined: Thu Sep 03, 2020 5:37 pm

Re: Aligning disk wheel and chain

Postby 22dannyp » Fri Sep 11, 2020 4:27 pm

Thanks for the help guys, the chain isn't out by very much so I'll get the wheel centred and think about moving the sprocket out if it needs it after a ride.

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