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Sram X-3 Rear derailleur - replace Jockey wheels

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Sram X-3 Rear derailleur - replace Jockey wheels

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Old 02-06-19, 03:13 PM
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Sram X-3 Rear derailleur - replace Jockey wheels

I do a lot of charity bike repairs and this derailleur has me stumped on how to change the jockey wheels as they are worn. There is not a "head" on the pulley screw/arbor, almost looks like it is a pushed in rivet. Am I missing something or is there a trick to this?

Looking at the Users Manual on their website yields no clue.

https://www.sram.com/sram/mountain/p...ear-derailleur



If it matters I am trying to change the lower jockey wheel. To me it looks like it was not meant to be serviced.

Has anyone succeeded in doing this that can offer some insight? Thanks
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Old 02-07-19, 07:20 PM
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X-3 is sort of the Altus/Tourney equivelent for ScRAM and may not have replaceable jockey wheels. A lot of cheap stuff doesn't have those features because typically they figure the derailleur will long be broken before a pulley wheel is worn. You might double check with ScRAM but I don't think you can.
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Old 02-08-19, 03:10 AM
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Originally Posted by veganbikes View Post
X-3 is sort of the Altus/Tourney equivelent for ScRAM and may not have replaceable jockey wheels. A lot of cheap stuff doesn't have those features because typically they figure the derailleur will long be broken before a pulley wheel is worn. You might double check with ScRAM but I don't think you can.
There doesn't seem to be a customer service to call or email on their website, just this tidbit....

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Servicing SRAM components often requires advanced bicycle knowledge and specialized tools . We work closely with your local bike shop to make sure they can answer your questions and service your SRAM components. Please contact your dealer before servicing any SRAM product.
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Old 02-08-19, 07:17 AM
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Go to SRAM's web site and click on the "Company" tab at the very top. Scroll down to the bottom and there is a phone number for their Chicago headquarters: 1-312-664-8800. I don't know if they will help you but it's worth a try.
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Old 02-09-19, 02:45 AM
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Originally Posted by HillRider View Post
Go to SRAM's web site and click on the "Company" tab at the very top. Scroll down to the bottom and there is a phone number for their Chicago headquarters: 1-312-664-8800. I don't know if they will help you but it's worth a try.

They very politely told me to go to a dealer
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Old 02-09-19, 07:38 AM
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You are correct in the fact the tension wheel and jockey wheels are riveted in. Thats why I upgraded to a Sram 7 RD.
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Old 02-10-19, 02:26 AM
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Originally Posted by rydabent View Post
You are correct in the fact the tension wheel and jockey wheels are riveted in. Thats why I upgraded to a Sram 7 RD.
Thank you for confirming this.

Unfortunately we need to perform the repairs as cheaply as possible so replacements with new rear derailleurs is not in the budget
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Old 02-10-19, 11:50 AM
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Originally Posted by JoeTBM View Post
Thank you for confirming this.

Unfortunately we need to perform the repairs as cheaply as possible so replacements with new rear derailleurs is not in the budget
If the RD is as in the pictures, it looks to have a riveted pulley wheels, the X3 level is effectively a disposable RD, if you have ever shopped for pulley wheels, you need to have a mid to high-end RD to justify buying either OEM or aftermarkets pulley wheels, as, at the low end, the pulley wheels often cost the same as a complete replacement unit.

In cases like this, cheaply as possible may mean replacing with a completely new unit, rather than trying to repair something not designed to be repaired.
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Old 02-10-19, 12:23 PM
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Originally Posted by JoeTBM View Post
Thank you for confirming this.

Unfortunately we need to perform the repairs as cheaply as possible so replacements with new rear derailleurs is not in the budget
Replacing jockey wheels on a rear derailleur not designed to be serviced could actually cost more than simply buying a new one. Replacement pulleys would have to come from a higher end model and might be more expensive than replacement with the same model derailleur

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Old 02-10-19, 01:26 PM
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Originally Posted by alcjphil View Post
Replacing jockey wheels on a rear derailleur not designed to be serviced could actually cost more than simply buying a new one. Replacement pulleys would have to come from a higher end model and might be more expensive than replacement with the same model derailleur
Thank you for that information, fortunately we salvage used parts from bikes that cannot be economically repaired. We try to reuse parts whenever possible to help contain our costs. All bikes are repaired at no cost to our clients. Our labor is always free and our mechanics donate the cost of repair parts.
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Old 02-10-19, 01:33 PM
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Originally Posted by JoeTBM View Post
Thank you for that information, fortunately we salvage used parts from bikes that cannot but economically repaired. We try to reuse parts whenever possible to help contain our costs. All bikes are repaired at no cost to our clients. Our labor is always free and our mechanics donate the cost of repair parts.
I volunteer at a similar organization, and feel your frustration! That needs to be replaced, maybe you can salvage another Sram rd from a donor bike? Should not be expensive to replace but when you are already donating time even a couple of bucks here and there really adds up!
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Old 02-10-19, 02:03 PM
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You’d be doing yourself, the owner, and the next mechanic a favor by replacing RD and shifter w Shimano. SRAM is fine but the Shimano market saturation means you will always have one
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Old 02-10-19, 02:48 PM
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Originally Posted by JoeTBM View Post
Thank you for that information, fortunately we salvage used parts from bikes that cannot but economically repaired. We try to reuse parts whenever possible to help contain our costs. All bikes are repaired at no cost to our clients. Our labor is always free and our mechanics donate the cost of repair parts.
So, if you salvage used parts from bikes that cannot be repaired you seem not to have been able to find a replacement for that rear derailleur or its pulleys. I am wondering how it came to be that the pulleys on that derailleur came to be worn out without almost every other component on the bike being similarly worn. A bike in that state might not be worth fixing at all, unless there was some specific reason why that rear derailleur is in such a bad state. If the rest of the bike is in good repair, replacing a derailleur that retails for between $20 and $25 doesn't seem to be unreasonable. If your organization is able to buy parts from a wholesale distributor, those prices are much less.
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Old 02-10-19, 11:21 PM
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Any Shimano RD that says Dyna-Sys (10-12 speed MTB) will also work ok w this shifter. I guess you might not see a lot of those in a co op yet.
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Old 02-11-19, 03:35 AM
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Originally Posted by Darth Lefty View Post
Any Shimano RD that says Dyna-Sys (10-12 speed MTB) will also work ok w this shifter. I guess you might not see a lot of those in a co op yet.
I rarely see RD over 7 speed.

This is not a co-op but a charity bike shop.

Donated bikes for the most part are big-box store brands and we repair them to distribute to the homeless and near homeless for transportation. In addition we have a portable shop that does repairs at a church once a week that feeds the homeless. It was at this location that this derailleur showed up with a chain-skipping issue and we determined was due to the worn wheel.
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Old 02-11-19, 04:06 AM
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Originally Posted by alcjphil View Post
So, if you salvage used parts from bikes that cannot be repaired you seem not to have been able to find a replacement for that rear derailleur or its pulleys. I am wondering how it came to be that the pulleys on that derailleur came to be worn out without almost every other component on the bike being similarly worn. A bike in that state might not be worth fixing at all, unless there was some specific reason why that rear derailleur is in such a bad state. If the rest of the bike is in good repair, replacing a derailleur that retails for between $20 and $25 doesn't seem to be unreasonable. If your organization is able to buy parts from a wholesale distributor, those prices are much less.
You may not think it is much but for us to put $20 worth of new parts into a bike for what is a simple repair is a lot. We service 10-12 bikes in a 4- hour session at the church. This was at one of our church repair sessions. If I had a spare used derailleur on-hand then I would have just changed it out but we did not. I told the owner of the bike to come back this week and I will have a replacement (from used shop part stock).

My point here was to learn if this is repairable in some way. I will try to drive out the rivet when I get it back to the shop so I can work it on a vise. If unsuccessful, I may try drilling out the rivet. Won't know unit I get it on a vise with other tools then what we bring to the church.

Yes I have access to distributor pricing and have found it on eBay for about $17 (new) shipped, I find other brands lower than $8 shipped but that wasn't the point.
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Old 02-11-19, 04:09 AM
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Originally Posted by Carverbiker View Post

I volunteer at a similar organization, and feel your frustration! That needs to be replaced, maybe you can salvage another Sram rd from a donor bike? Should not be expensive to replace but when you are already donating time even a couple of bucks here and there really adds up!

Thank you - You Get it

Where are you at? I don't see a location in your profile
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Old 02-11-19, 08:49 AM
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Originally Posted by JoeTBM View Post
Thank you - You Get it

Where are you at? I don't see a location in your profile
The organization is in the Twin Cities, but I am in Arizona now.
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Old 02-11-19, 10:59 AM
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A Shimano Altus RD might be a more cost effective replacement. Occasionally I've seen them sold new for as little as $10-$15 each, about the cost of a new set of low priced jockey wheels. And the Altus jockey wheels are replaceable.

Not sure whether Shimano derailleurs and SRAM shifters are compatible. An alternative would be the SunRace SLM-0 friction thumb shifters, cheap but functional and more durable the Shimano RevoShift grip shifters. I've bought entire SunRace SLM10 kits, including cables and housings, for $10.

But that can still add up to some serious money if you're donating your own money to get bikes up and running.
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Old 02-11-19, 01:30 PM
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Originally Posted by canklecat View Post
A Shimano Altus RD might be a more cost effective replacement. Occasionally I've seen them sold new for as little as $10-$15 each, about the cost of a new set of low priced jockey wheels. And the Altus jockey wheels are replaceable.

Not sure whether Shimano derailleurs and SRAM shifters are compatible. An alternative would be the SunRace SLM-0 friction thumb shifters, cheap but functional and more durable the Shimano RevoShift grip shifters. I've bought entire SunRace SLM10 kits, including cables and housings, for $10.

But that can still add up to some serious money if you're donating your own money to get bikes up and running.
Thanks, yes we use those sunrace shifters for replacements. I have found the set with cables (less housings) for as low as $6.33 a set shipped (when we're buy 3 sets at a time). Not a high end product but very functional and easy to recable if needed down the road.
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Old 02-11-19, 03:02 PM
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Originally Posted by JoeTBM View Post
I rarely see RD over 7 speed.

This is not a co-op but a charity bike shop.

Donated bikes for the most part are big-box store brands and we repair them to distribute to the homeless and near homeless for transportation. In addition we have a portable shop that does repairs at a church once a week that feeds the homeless. It was at this location that this derailleur showed up with a chain-skipping issue and we determined was due to the worn wheel.
I am sorry for misunderstanding. Still, I meant it about replacing with Shimano. You could get this bike out the door with an 8 speed cassette if you have one, and a Shimano RD and 7 or 8 speed shifter which you likely have in your bins. 9 speed is going to be rare enough and SRAM 1:1 is going to be much rarer on the bikes you are handling.
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Old 02-11-19, 03:18 PM
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It would only take a few minutes to drill out the rivets, swap wheels, and substitute screws and nuts for the rivets (or use new rivets).
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Old 02-12-19, 04:12 AM
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Originally Posted by AnkleWork View Post
It would only take a few minutes to drill out the rivets, swap wheels, and substitute screws and nuts for the rivets (or use new rivets).
Yes if I had a drill at the church site and has this been done successfully?

I will see as I am going to swap out the entire RD this Wednesday at the church maintenance session and then take the riveted one back to the shop for some bench time. and see if there is hope to restore it.
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Old 02-12-19, 04:14 AM
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Originally Posted by Carverbiker View Post


The organization is in the Twin Cities, but I am in Arizona now.
Ahhh.... much better then the cold
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Old 02-12-19, 09:45 AM
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Originally Posted by canklecat View Post
Not sure whether Shimano derailleurs and SRAM shifters are compatible.
They sometimes are, but not in this case. SRAM do make shifters that are compatible with Shimano's 7/8/9 speed pull ratio, such as the MRX PRO shifters. Any SRAM shifter that was originally paired with a SRAM X-3 derailleur would not be compatible with Shimano 7/8/9 speed. The subject bike probably has shifters marked 3.0 Comp or similar.

In general, SRAM tend to give Shimano-compatible parts a non-number model name (like MRX PRO, Centera, etc), and the SRAM-compatible parts have numbers (like 3.0, X-5, etc). This changes with their newer stuff (like Eagle, etc), but is generally true for their older 7/8/9 speed parts.
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