Re: Stripped crank arms = replace Tiagra cranks with 105 or Ultegra, new BB needed?
Leo Lichtman wrote:
> "damyth" wrote: (clip) Go to a good bike shop and ask them to put a
> 'helicoil' in the pedal eye. If you're mechanically inclined, and have the
> right tools, you can perform this procedure yourself. If done properly the
> crank will be better than new. (clip)
> ^^^^^^^^^^^^^^^^^
> All true. A Helicoil is tougher and more durable than any aluminum thread.
How can the Helicoil be better than or more durable than the original
crank threading? Doesn't the Helicoil thread into the aluminum crank
itself? Therefore, at best, at best, it can only be as durable as the
original, not better than new or more durable.
> It is extremely unlikely that you would have the right tools and still be
> asking this question. And the tools ain't cheap. You need a special size
> drill bit, which in this instance will probably be too big to fit in your
> pistol drill. Then you need a special tap. And then an insertion tool.
> You could probably replace the crank set for less money than it would cost
> to buy all that stuff. Let your LBS do it.
.
Relevant Pages
- Re: Stripped crank arms = replace Tiagra cranks with 105 or Ultegra, new BB needed?
... You could probably replace the crank set for less money than it would cost to buy all that stuff. ... Steel sleeves with 9/16 inside and 5/8" outer thread, with matching reamer and tap are standard service items at better LBS anywhere. ... Vendors from Germany, UK, Japan supply interchangeable sleeves/tools so there seems to be something like uniformity if not an actual standard. ... Are there LH 9/16-20 Helicoil brand coils/taps? ...
(rec.bicycles.tech) - Re: Stripped crank arms = replace Tiagra cranks with 105 or Ultegra, new BB needed?
... You could probably replace the crank set for less money than it would cost to buy all that stuff. ... Steel sleeves with 9/16 inside and 5/8" outer thread, with matching reamer and tap are standard service items at better LBS anywhere. ... Vendors from Germany, UK, Japan supply interchangeable sleeves/tools so there seems to be something like uniformity if not an actual standard. ... Are there LH 9/16-20 Helicoil brand coils/taps? ...
(rec.bicycles.tech) - Re: Stripped crank arms = replace Tiagra cranks with 105 or Ultegra, new BB needed?
... (clip) Go to a good bike shop and ask them to put a ... A Helicoil is tougher and more durable than any aluminum thread. ... pistol drill. ... Then you need a special tap. ...
(rec.bicycles.tech) - Re: Stripped crank arms = replace Tiagra cranks with 105 or Ultegra, new BB needed?
... >> crank will be better than new. ... A Helicoil is tougher and more durable than any aluminum thread. ... >> pistol drill. ... Then you need a special tap. ...
(rec.bicycles.tech) - Re: Stripped crank arms = replace Tiagra cranks with 105 or Ultegra, new BB needed?
... (clip) Go to a good bike shop and ask them to put a> 'helicoil' in the pedal eye. ... If done properly the> crank will be better than new. ... A Helicoil is tougher and more durable than any aluminum thread. ... You need a special size> drill bit, which in this instance will probably be too big to fit in your> pistol drill. ...
(rec.bicycles.tech) |
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