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Dura Ace 7700 crank reborn by polishing | Yobi Bike Parts
May 16, 2010 - 2 Comments - Uncategorized -

Dura Ace 7700 crank reborn by polishing

How does it look a strong used DA crank and chainrings arm after polishing? …
Reborn after 50000-60000km…

Before:

After:

Also the chainrings!

2 Responses to Dura Ace 7700 crank reborn by polishing

  1. Scott

    Hi,
    The “before” looks exactly like mine. How did you polish it? did the rings need to be re-coated after all the flakes were buffed off? How about the arms? The original finish looked to be a coating of some kind.
    Thakns!
    s

    15 Oct 2010 -
  2. admin

    First you have to use compressor with dust/sand blow and after polishing the arms or chainrings.
    don’t need to recoeted them just polishing.. that’s the secret.

    17 Oct 2010 -

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