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Chain Guard for Fugin

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RoyMacdonald View Drop Down
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    Posted: 15 April 2018 at 6:57pm
Stuart couldn't find a chain ring guard for my Fugin to make it race legal. Anyone have any ideas or am I going to have to make one?
 
Roy
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Andrew S View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Andrew S Quote  Post ReplyReply Direct Link To This Post Posted: 15 April 2018 at 7:19pm
Roy - The best bet is to find a chainguard that will fit onto your crank spider like a third chainring, unless you're already using a triple or don't have removable chainrings. To find a suitable chainguard you need to know the spec of your outer chainring, specifically:

Then Google for 'xx BCD chainring'. Spa Cycles in Harrogate are a reliable source with a wide range of sizes.

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Balor View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Balor Quote  Post ReplyReply Direct Link To This Post Posted: 16 April 2018 at 10:22am
If you cannot find it online, you have an option have it 3D printed it now.
Not going to be cheap, though...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gromit Quote  Post ReplyReply Direct Link To This Post Posted: 16 April 2018 at 11:32am
Halfords sell two different sizes of plastic chainring guard.
42-44T and 46-48T.  They're both £6.99.


Edited by Gromit - 16 April 2018 at 11:33am
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ChrisH View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote ChrisH Quote  Post ReplyReply Direct Link To This Post Posted: 16 April 2018 at 3:55pm
If taking the DIY route, there's a small gallery of chainguard creations buried within the BHPC webpages
 
 
 
 
 
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RoyMacdonald View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RoyMacdonald Quote  Post ReplyReply Direct Link To This Post Posted: 16 April 2018 at 7:29pm
Originally posted by Andrew S Andrew S wrote:

Roy - The best bet is to find a chainguard that will fit onto your crank spider like a third chainring, unless you're already using a triple or don't have removable chainrings. To find a suitable chainguard you need to know the spec of your outer chainring, specifically:

Then Google for 'xx BCD chainring'. Spa Cycles in Harrogate are a reliable source with a wide range of sizes.

 
Yes Andrew the problem is I am using a triple and there is no room between the crank and the top ring. Unless it is about half a millimetre thick. I'm really looking for something that will mount on the boom side.
 
Thanks.
 
Roy
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gromit Quote  Post ReplyReply Direct Link To This Post Posted: 16 April 2018 at 8:44pm
Originally posted by RoyMacdonald RoyMacdonald wrote:

 
Yes Andrew the problem is I am using a triple and there is no room between the crank and the top ring. Unless it is about half a millimetre thick. I'm really looking for something that will mount on the boom side.
 
Thanks.
 
Roy

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Post Options Post Options   Thanks (0) Thanks(0)   Quote RoyMacdonald Quote  Post ReplyReply Direct Link To This Post Posted: 16 April 2018 at 8:53pm
Originally posted by Gromit Gromit wrote:

Originally posted by RoyMacdonald RoyMacdonald wrote:

 
Yes Andrew the problem is I am using a triple and there is no room between the crank and the top ring. Unless it is about half a millimetre thick. I'm really looking for something that will mount on the boom side.
 
Thanks.
 
Roy

 
Yes Gromit, that looks like it will fit. I would have liked a carbon one but that will do the job.
Thanks.
Roy 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gromit Quote  Post ReplyReply Direct Link To This Post Posted: 16 April 2018 at 10:17pm
Originally posted by RoyMacdonald RoyMacdonald wrote:

Originally posted by Gromit Gromit wrote:

 
Yes Gromit, that looks like it will fit. I would have liked a carbon one but that will do the job.
Thanks.
Roy 

Smile  You're welcome.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kim Quote  Post ReplyReply Direct Link To This Post Posted: 16 April 2018 at 10:28pm
Alternatively, there's the HPVelotechnik / Toxy style chainring guard: It's attached by a thin piece of metal that clamps between the bottom bracket and its shell, so ought to fit just about anything?

http://www.toxy-liegerad.de/Components-spares-accessories/Chain-drive/Chain-ring-cover::100244000.html


When finding one for my Baron, I tried borrowing the ICE version from my partner's trike, but there wasn't enough BB shell for it to clamp to, on account of the large-diameter boom. The HPVelotechnic one worked fine.
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