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machine shop recommendations in OC?

Old 10-31-11, 12:59 PM
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lowlife1975
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machine shop recommendations in OC?

trying to get a pedal insert installed to repair a non-drive side crankarm with stripped pedal threads. wondering if anyone knew of a good machine shop in the OC area that will be able to have the tooling to drill out a left hand thread to install the insert? i've called around a few LBS and non of them have the tools or are willing to do that kind of repair. i figure its something i'd rather trust from guys in the machining biz anyways. and yes, its worth fixing b/c its a pretty rare and awesome crankset. let me know. thanks!
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Old 10-31-11, 01:38 PM
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richards cyclery should be able to do it
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Old 10-31-11, 01:49 PM
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lowlife1975
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nope, just gave richard's a call and they don't do it.
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Old 10-31-11, 02:00 PM
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Might be a drive but I had one done at Coates in Pomona few years back. Paid like $15, much cheaper than a crankset.

Give them a call first.

Tell them Mr. Beanz sent you. They won't have any idea of who the heck I am but tell them anyway for fun.

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Old 10-31-11, 02:15 PM
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hmmm, looks like coates does it, but they do it helicoil style and for $50 at that for parts and labor! i'm really looking for repairing the crankarm with a solid steel insert, which is supposed to be stronger than helicoil. found a shop in MN (freewheel bikes) that does it for $30 so maybe shipping the crankarm over there is a better option. they did a write up on it on their blog. looks like they definitely know what they are doing.

https://thegoldenwrench.blogspot.com/...al-thread.html
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Old 10-31-11, 02:20 PM
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Originally Posted by lowlife1975 View Post
hmmm, looks like coates does it, but they do it helicoil style and for $50 at that for parts and labor! i'm really looking for repairing the crankarm with a solid steel insert, which is supposed to be stronger than helicoil. found a shop in MN (freewheel bikes) that does it for $30 so maybe shipping the crankarm over there is a better option. they did a write up on it on their blog. looks like they definitely know what they are doing.

https://thegoldenwrench.blogspot.com/...al-thread.html
Wow, 50! Inflation, was $20 few years ago. I had the helicoil and the frame snapped before having any issues with the helicoil (13,000 miles), fyi. .
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Old 10-31-11, 02:24 PM
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Plus, not sure what kind of crank or quality you have but years back I went into a shop and they gave me a used crankarm for $5. Wouldn't notice it was "slightly" different unless you inspected the bike inch by inch. Pulled from a drawer full of used goodies. Crank was a Sugino on a Bianchi.
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Old 10-31-11, 02:25 PM
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Try any welding and machining shop in any area known for the aerospace boom in the 60's and 70's (Pamona, San Fernando Valley, Long Beach, etc.). There are tons of shops leftover with little to do. I've had my choice of places here in the Valley.
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Old 10-31-11, 10:24 PM
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Try an automotive machine shop, engine rebuilder, boat mechanical repair, or hot rod shop in your area. An aerospace shop might be kind of pricey. There are still plenty of them around, they do single 'one-off' jobs all the time, and they should have the tooling to do work like that. Take a pedal in, too, so they can get a better idea of what you want and maybe suggest the best way to do the job.
 
Old 10-31-11, 11:42 PM
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Drilling and tapping hole is a 15 minute Job, what is the thread size on the Insert? Incidentaly, Standard Pedals have 9/16-20 threads but older American Bikes are 1/2-20. Obviously the OD Thread on the Insert is larger.

Oh yeah, Old French Bikes have 14 x 1.25 mm Threads.
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Old 10-31-11, 11:54 PM
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lowlife1975
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unior makes the pedal insert... i believe the OD on the insert is 5/8 and 9/16-20 for the pedal. the job itself looks fairly easy but the reverse taps are expensive to purchase for a single job. really surprised that so many local bike shops here do not have the capability for this repair, given that the parts are so easy to find at any online bike store... seems like it would be a fairly routine job.
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Old 11-01-11, 12:07 AM
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They can be spendy, but you can buy a 9/16 LH for $7.50 from Chain reaction Cycles.

And a 5/8-18 LH Tap for $15 from Here .
Or you might need a 5/8-11?
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Old 11-01-11, 12:35 AM
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hmmmm tempting, thanks for looking it up. but i'll probably be better served sending the crankarm out that shop in MN. it'll be $40 for parts, labor and shipping both ways. figure tapping the crankarm is a one shot deal, so it has to go in straight and centered. not sure if i trust myself over a bike shop that does that repair regularly, especially on this special crank. its a first generation campagnolo c-record pista! and i doubt any machine shop around here would do the job for anything less than $20 in labor too, so finding one and having to explain exactly what i need and want might be hassle. consider this thread dead! thanks all for input though!
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Old 11-02-11, 07:18 AM
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RIMCO (Riddle Machine Company) in Santa Ana on Dyer Road
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Old 11-18-11, 05:19 PM
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not sure if you're still thinking of this. I had this repair done at Pacific coast cycles in oceanside and worked out fine...
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