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HELP! Stripped threads on FSA tempo crank on my brand new bike after only 4 days!!

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HELP! Stripped threads on FSA tempo crank on my brand new bike after only 4 days!!

Old 09-15-13, 06:05 AM
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admann
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HELP! Stripped threads on FSA tempo crank on my brand new bike after only 4 days!!

First of all I'm very new to the world of road biking. I bought myself a Merida Race Lite 500 a few days and ago and have been absolutely loving everything about it. Went for a little 30k ride yesterday and halfway along I notice the right pedal feeling odd so stopped to find that all the threads had been completely stripped! The bike shop tell me the entire cransket now needs replacing looking to set me back 80, and after having spent 500 on a new bike I'm somewhat disgruntled! So really I'm looking for advice on whats the cheapest replacement as I need this bike ready for a triathlon in a weeks time. I looked into helicoils but price-wise don't look much cheaper and don't know who would be able to install them locally. So anybody know what is a good cheap compatible right crank for an FSA tempo crankset 50/34T 175mm square tapered, BCD -110? Also should I have a bike shop fit it given my very limited knowledge on bike mechanics? Thanks in advance for any help you can give!!
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Old 09-15-13, 06:12 AM
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Whoever built the bike needs to replace the crankarm or crankset at no charge. Inspect the pedal also, those threads could be damaged, if so, replace it too. If you purchased a new bike from a bike shop, talk to the owner or Sr. Manager. Whoever installed the pedal stripped it, and then reinserted, it knowing it would fail. You're lucky that you did not fall while standing on the pedal, resulting in injury.
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Old 09-15-13, 06:23 AM
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As stated above, whoever installed the pedal is to blame. Shop ? Friend ? You ? I suggest having a shop do the work if you are in a rush and do not have the tools and knowledge. It is only a few minute job, so they should not charge much. I would expect little or no installation charge if you buy the crank from them. If they installed the pedal originally, then they should replace for free.
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Old 09-15-13, 06:37 AM
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Helicoil is $30 or less, surely? Get a shop to do that.

- joel
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Old 09-15-13, 06:55 AM
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More info about the original setup would be useful; was it mail order, and you installed the pedals yourself, or did the LBS you got the bike from do it?

If yourself, you will take the hit for the setup, if the LBS, they should have tightened the pedals to the correct torque/take the cost of the replacement crank.

For replacement, as it's the DS (right hand side) you normally can't get these as replacements, but there are plenty of options out there would still be budgeting upto 80 if you have no tools, or need a LBS to fit.
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Old 09-15-13, 06:59 AM
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Yep, the pedal was either cross-threaded or not installed tightly enough; both are the fault of the person/shop who installed it. If that person was you then the Helicoil mentioned above is a perfectly good, economical repair method which will leave the threads stronger than the original ones. If a shop did the work it is your choice to accept a repair or demand a new part.
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Old 09-15-13, 07:36 AM
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Originally Posted by admann View Post
First of all I'm very new to the world of road biking. I bought myself a Merida Race Lite 500 a few days and ago and have been absolutely loving everything about it.
Assuming you bought the bike new and assembled from a shop and you haven't modified or tried to tighten any of the bolts then the shop (where you bought it) is responsible for replacing the part. UK Consumer legislation will guarantee that under either the "satisfactory quality" or "fit for purpose" your rights are protected. As mentioned above you should talk to the shop manager or owner (or did you buy it online?) and mention the Sale of Goods Act and get them to replace the parts at their cost. If you need further advice then speak to your local Citizens Advice Bureau or you could even reject the faulty goods and get a refund. In any case, wherever you purchased the bike it's their responsibility to put it right at their cost and not yours. I'd be interested to hear what happens after you talk to them. Good luck and don't forget Consumer Law is on your side.
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Old 09-15-13, 07:55 AM
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Originally Posted by fenice View Post
Assuming you bought the bike new and assembled from a shop
That's the assumption that the OP needs to clarify, if the built it themselves, the shop has no responsibility for the damage.
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Old 09-15-13, 08:45 AM
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So the bike was purchased online minus the pedals, I received the bike and assembled it all myself and put my own pedals on there - this is where I am unsure about liability. However the pedals were screwed on tight and functioned fine until the pedal literally fell out. I've emailed the online shop regarding this and waiting for a reply but in the meantime was going to look into ordering a new crankset as time is seriously an issue...
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Old 09-15-13, 09:04 AM
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This sounds exactly like what happens when a pedal is insufficiently tightened. Since you installed the pedals, no one is going to cover it.

Helicoil is your cheapest option.
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Old 09-15-13, 09:13 AM
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Originally Posted by admann View Post
So the bike was purchased online minus the pedals, I received the bike and assembled it all myself and put my own pedals on there
Your on your own there, the place you purchased it from has no liability, as you didn't buy the pedals from them, or have them fit them.

For replacement, plenty of good shops in the Leeds area, as you have had issues with this, would look at getting a LBS to fit, if you are interested in learning how to repair, there are courses at Edinburgh Bike in Chapel Allerton, and a Co-op near the center http://pedallers-arms.org/where/ which may be of use.

For the helicoil repair that's be suggested alot, from experience of UK bike shops, most are not setup for this, if you know one which is, great or know a car garage / engineering company that does it (at a cost effective price) this may be an option, but would be surprised if you can find a LBS in the Leeds area who does it.

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Old 09-15-13, 09:50 AM
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Thought this might be the case, no LBS in my area that do helicoil so will have to buy a new crankset. Any ideas on a cheap compatible one? Was thinking to buy it online then get LBS to fit it as budget is very low now.
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Old 09-15-13, 09:52 AM
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Also thanks Jim for those bike repair course recommendations will Deco try those out
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Old 09-15-13, 10:51 AM
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You installed the pedal = your fault/responsibility. My dad's coworker bought a bike online, didn't tighten the pedals enough, and stripped them out very quickly. He had an FSA crank and I noticed the threading seemed unusually soft. They were totally gone. On the other hand, I once had an old Shimano crank that a previous owner stripped the threads on. An LBS was able to restore them in about 30 seconds. I'm still using that crank today. I would recommend replacing your crank with a Shimano unit. Like this one for example: http://www.ebay.com/itm/SHIMANO-Tiag...item43bea777bb

Don't worry about your pedals, those will be fine as the threads are steel. The pedal always kills the crank, never the other way around.
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Old 09-15-13, 11:33 AM
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Originally Posted by FastJake View Post
You installed the pedal = your fault/responsibility. My dad's coworker bought a bike online, didn't tighten the pedals enough, and stripped them out very quickly. He had an FSA crank and I noticed the threading seemed unusually soft. They were totally gone. On the other hand, I once had an old Shimano crank that a previous owner stripped the threads on. An LBS was able to restore them in about 30 seconds. I'm still using that crank today. I would recommend replacing your crank with a Shimano unit. Like this one for example: http://www.ebay.com/itm/SHIMANO-Tiag...item43bea777bb

Don't worry about your pedals, those will be fine as the threads are steel. The pedal always kills the crank, never the other way around.
Cheers for the advice that sounds like the best option, the threads on the FSA tempoo definitely seemed strangely soft.
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Old 09-15-13, 08:01 PM
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sounds like crank envy to me.........

and welcome to the forum...
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Old 09-15-13, 11:08 PM
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Originally Posted by admann View Post
Cheers for the advice that sounds like the best option, the threads on the FSA tempoo definitely seemed strangely soft.
How did you determine the threads were soft? Did you rub it with a Q-Tip of something??

How hard would they need to be to not then be strange?? How would you measure that?

/K
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Old 09-16-13, 01:43 AM
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This thread has now softened enough to warrant a momentarily closure for maintenance.

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Old 09-16-13, 01:47 AM
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And we're back open.

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Old 09-16-13, 02:05 AM
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Originally Posted by jimc101 View Post
For the helicoil repair that's be suggested alot, from experience of UK bike shops, most are not setup for this, if you know one which is, great or know a car garage / engineering company that does it (at a cost effective price) this may be an option, but would be surprised if you can find a LBS in the Leeds area who does it.
Aren't the drive drive side threads the same as a spark plug?? It seems that I remember that from somewhere.

If that is indeed the case it would open up automotive repair and machine shops as sources for a thread repair. There are other methods than a helicoil that would also work. I would expect that it would be easier to talk to auto shops with the crank arm removed, that takes an inexpensive puller that a rider should have anyway.
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Old 09-16-13, 06:47 AM
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Originally Posted by Juha View Post
And we're back open.

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