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PostPosted: Sun Jun 19, 2011 10:05 am 
MacRetro rider
MacRetro rider
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Joined: Sat Jan 05, 2008 11:58 pm
Posts: 4434
Location: Third stone from the sun.
Dont know much about these ?, were they expensive BITD ?

Seem nice anyhow :)

Bought this pair for my Orange E3 build, they are XC ones with hollowed out rears rather than the CNC'd rears.

They are sound but have a typically well used/scabby appearance.

Image

A few on here have different methods for stripping anodizing, acid or caustic is needed, i've got into the habit of using B&Q drain unblocker as it's easy to get and works well.

Needless to say realy it's advisable to use this stuff where there are no kids or animals about.

Image

Brush the first coat on, leave for a couple of minutes then brush the second coat on, as you brush the second coat you will find the anodizing rinsing off.

Image

Run the cranks under a tap to wash the drain unblocker off then get into them with wet and dry sandpaper, i used 600 grit then 1200 grit then a Brillo soap pad (steel wool could be used at this stage but i prefer the Brillo), the crank on the left has had this done and a quick rub with Brasso, crank on the right is still in it's post drain unblocker stage.

Crank on the left has some pitting visable, this would come out with more sandpaper time, maybe 800 grit returning to 600 then 1200, and of course more time could be spent on polishing, bike is a rider though so will probably run them as is.

This job so far was done in a short space of time, about 1/2 hour.

Image

Hope this thread will be usefull for anyone wanting to strip anodized parts :wink:


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PostPosted: Mon Jun 20, 2011 12:14 pm 
Gold Trader / MacRetro / PoTM Winnner
Gold Trader / MacRetro / PoTM Winnner
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Joined: Sat Sep 08, 2007 5:04 pm
Posts: 1913
Location: Scotland/Poland
Don't know much about these cranks apart they looks nice indeed. Thanks for hint about ano stripping :wink: Now, you only need Automax tube and pair of a sunglasses after.


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PostPosted: Mon Jun 20, 2011 8:14 pm 
Retro Guru
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Joined: Mon Dec 08, 2008 5:50 pm
Posts: 621
Location: The Shire
:shock:


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PostPosted: Mon Jun 20, 2011 10:05 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Fri Sep 05, 2008 6:36 pm
Posts: 4950
Location: Edinburgh
Different engravings on each crank?

The L&M logo is different huh :?

G


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PostPosted: Mon Jun 20, 2011 10:35 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Fri Jan 30, 2009 10:04 pm
Posts: 8771
Location: scotland
just spotted that tae enid :?


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PostPosted: Tue Jun 21, 2011 7:56 pm 
MacRetro rider
MacRetro rider
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Joined: Sat Jan 05, 2008 11:58 pm
Posts: 4434
Location: Third stone from the sun.
Yeah, logos are different, spotted that shortly after i bought them, not bothered though, cranks match otherwise and no one will see both logos together once the cranks are on the bike :lol:

They are built up and ready to fit now :), flash makes the pitting look worse than in the flesh.

Image


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PostPosted: Tue Jun 21, 2011 10:12 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Fri Sep 05, 2008 6:36 pm
Posts: 4950
Location: Edinburgh
Looks like these are becoming a MacRetro right of passage :lol:


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PostPosted: Wed Jun 22, 2011 3:45 pm 
Gold Trader
Gold Trader
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Joined: Tue Apr 13, 2010 4:08 pm
Posts: 799
Location: Sarf Coast. Strong Island.
And they're made (well, used to be) just up the road from me. South coast engineering excellence!


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PostPosted: Tue Jun 28, 2011 9:28 pm 
98+ Moderator
98+ Moderator
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Joined: Thu May 05, 2011 10:53 pm
Posts: 4098
Location: Single Speeding in the Capital of the FoD,UK
I'm impressed , how long will they stay shiney before going dull ?
Anyone else got any top tips ?


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PostPosted: Tue Jun 28, 2011 9:50 pm 
Retro Guru

Joined: Sat Jan 24, 2009 4:19 pm
Posts: 356
Location: Essex. Innit.
I love mine - a thread I started on them:

http://www.retrobike.co.uk/forum/viewto ... highlight=


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