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Fixing a Fixie,back to a road bike Guerciotti

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Fixing a Fixie,back to a road bike Guerciotti

Old 02-09-19, 07:02 PM
  #26  
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The bottom bracket
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Old 02-09-19, 07:04 PM
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Old 02-09-19, 08:01 PM
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WOW.
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Old 02-09-19, 09:40 PM
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and the other view.

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Old 02-10-19, 02:12 PM
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Nice job! That looks great!

Check this page for the tap for the rear dropout adjusters:
Framebuilding.com
About half way down is the tap. It looks xtra long so, not sure if you could find one locally;
Art.33. M3 Tap for Rear Dropout Adjuster Holes 14.29 (11.91 outside EU*)
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Old 02-10-19, 07:02 PM
  #31  
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Originally Posted by duanedr View Post
Nice job! That looks great!

Check this page for the tap for the rear dropout adjusters:
Framebuilding.com
About half way down is the tap. It looks xtra long so, not sure if you could find one locally;
Art.33. M3 Tap for Rear Dropout Adjuster Holes 14.29 (11.91 outside EU*)

Thanks for the Info source.
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Old 02-10-19, 09:32 PM
  #32  
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A warning, M3 taps are VERY easy to break in the drop out. Heightened care and lots of lube are the norm. Andy
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Old 02-11-19, 10:56 PM
  #33  
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Originally Posted by Andrew R Stewart View Post
A warning, M3 taps are VERY easy to break in the drop out. Heightened care and lots of lube are the norm. Andy
Thank you sir, I will keep it in mind when I clean out the Threads.

Maybe i should have asked for a List of Thread sizes for all the threads on the bike.
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Old 02-11-19, 11:17 PM
  #34  
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Originally Posted by Manny66 View Post
Thank you sir, I will keep it in mind when I clean out the Threads.

Maybe i should have asked for a List of Thread sizes for all the threads on the bike.
I assume you are jesting. This isn't the modern auto business where every part is documented. But this frame likely only uses 5, or so, thread dimensions.

The 3mmx.5mm for the drop out axle positioning screws
10mmx26tpi for the der mount (yes a mix of metric and SAE, this is a bike after all)
36mmx24tpi likely for the BB shell (both RH as it's likely Itl)
25.4mmx24tpi for the headset (or English 1"x24tpi, they are class B+ interchanges)
M5 bottle bosses and drop out eyes

But as they say, measure twice assume no times. Andy
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Old 02-12-19, 10:01 PM
  #35  
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Originally Posted by Andrew R Stewart View Post
I assume you are jesting. This isn't the modern auto business where every part is documented. But this frame likely only uses 5, or so, thread dimensions.

The 3mmx.5mm for the drop out axle positioning screws
10mmx26tpi for the der mount (yes a mix of metric and SAE, this is a bike after all)
36mmx24tpi likely for the BB shell (both RH as it's likely Itl)
25.4mmx24tpi for the headset (or English 1"x24tpi, they are class B+ interchanges)
M5 bottle bosses and drop out eyes

But as they say, measure twice assume no times. Andy
Haha, No I wasnt kidding. And thank you for the info.I will take that info and use it as a starting point.
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Old 02-13-19, 08:03 AM
  #36  
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the 5mm threads have .8mm pitch, which is the standard coarse metric thread. If it had a 6mm thread anywhere,, they would be 6x1
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