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PostPosted: Sun Feb 03, 2013 11:25 am 
Old School Grand Master
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Joined: Mon Jun 14, 2010 9:06 pm
Posts: 4440
Location: Herts UK
the 3 bolt hole thing on the bottom bracket - is it for some chain holder device?

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PostPosted: Sun Feb 03, 2013 12:05 pm 
Retro Guru

Joined: Tue Jun 05, 2012 8:04 pm
Posts: 439
Location: Somerset
Yea it's mounting points for a chain device.


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PostPosted: Sun Feb 03, 2013 12:10 pm 
Retro Guru
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Joined: Tue Oct 11, 2011 11:18 pm
Posts: 733
Location: The FoD.
Looks like the older ISCG mount.


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PostPosted: Sun Feb 03, 2013 7:34 pm 
Retro Guru
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Joined: Fri Jan 12, 2007 1:32 pm
Posts: 1953
Location: Staffordshire
It's an ISCG tab for mounting a chain device. What year / frame is it?


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PostPosted: Fri Feb 08, 2013 8:35 am 
Gold Trader
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Joined: Fri Mar 24, 2006 6:49 pm
Posts: 3212
Location: Bracknell,East Berkshire.
International Standard Chain Guide ~ ISCG for short!


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PostPosted: Fri Feb 08, 2013 7:53 pm 
Gold Trader / rb Rider / Special
Gold Trader / rb Rider / Special
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Joined: Mon Aug 31, 2009 12:26 am
Posts: 16165
Location: Rurally close.
Wow! These are so so rare i had only ever heard of them before this. What you have here is a super dooper mount for brushed dmc cranks. They are supposedly hard to get going but once started reach 88mph easily. They bolt on to a plate with 17 m10 bolts which then bolts on to that mount. The titanium copper mix makes them rust free and you can have a 6t cog if you wished.

Was it expensive?


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