Cracked wheel's rim
07-14-16, 10:30 PM
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Cracked wheel's rim
Hi Guys,
I'm new on this forum since I just recently started enjoying cycling.
Yesterday while looking at my bike I have spotted a crack on my rear wheel, where one of the spokes meets the rim (the black part of it).You can see that in the pic.
I wonder if the bike is still safe to ride and if there are any chances to repair to wheel.
Thanks a lot!
I'm new on this forum since I just recently started enjoying cycling.
Yesterday while looking at my bike I have spotted a crack on my rear wheel, where one of the spokes meets the rim (the black part of it).You can see that in the pic.
I wonder if the bike is still safe to ride and if there are any chances to repair to wheel.
Thanks a lot!
07-14-16, 10:52 PM
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If it's rideable, it's kind of safe. It's not going to stay true for long though. Your next ride should be to a bike shop for a replacement rim or wheel.
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07-14-16, 10:57 PM
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Thanks for the replies! It doesn't seem to affect the ”ridability“ yet, since I discovered it only during a routine cleaning process and not because I felt something strange during a ride session.
Is there not a way to repair it?
Is there not a way to repair it?
07-14-16, 11:14 PM
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There is no way to repair this. The rim should be replaced. The hub, however, could be reused if it is in good condition.
07-14-16, 11:47 PM
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Is the bike new ? If yes, this replacement will be covered under warranty.
Also what are those marks on the graphics area of the rim ? It looks like brake pad marks ? And the silver braking area looks relatively clean. Are the brake pads positioned correctly ?
If they are clamping the wrong part of the rim. Then that could be the explanation for the crack. And the blame could be passed onto you.
Also what are those marks on the graphics area of the rim ? It looks like brake pad marks ? And the silver braking area looks relatively clean. Are the brake pads positioned correctly ?
If they are clamping the wrong part of the rim. Then that could be the explanation for the crack. And the blame could be passed onto you.
Last edited by trailflow1; 07-15-16 at 12:33 AM.
07-15-16, 05:50 AM
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Unfortunately is already over the warranty period.
The brake pads are in the correct position.
Last week I had the spokes tuned by a guy at a local bike shop.
Could it be that an excessive tension on that spoke during the tuning caused the crack ?
Anyway I have already ordered another rear wheel.
It is a Mavic Aksium Race. It seems quite lightweight for its price.
Is it any good?
The brake pads are in the correct position.
Last week I had the spokes tuned by a guy at a local bike shop.
Could it be that an excessive tension on that spoke during the tuning caused the crack ?
Anyway I have already ordered another rear wheel.
It is a Mavic Aksium Race. It seems quite lightweight for its price.
Is it any good?
07-15-16, 09:52 AM
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Why did you have the LBS tech work on your wheels? Were they out of true/wobbly?
I suspect the spoke was already cracked. But the tech should have seen it.
It's not unusual for some aluminum rims to have a spoke pull through. But it usually takes quite a lot of miles, and depends on the rim design. And the correct spoke tension makes a difference, too. There can be tiny hairline cracks for quite a while before it gets to the spoke pulling through like yours.
I've seen many reports of Aksium Race wheels lasting a long time with no problems. They have a newer design now, but that should be fine too.
I suspect the spoke was already cracked. But the tech should have seen it.
It's not unusual for some aluminum rims to have a spoke pull through. But it usually takes quite a lot of miles, and depends on the rim design. And the correct spoke tension makes a difference, too. There can be tiny hairline cracks for quite a while before it gets to the spoke pulling through like yours.
I've seen many reports of Aksium Race wheels lasting a long time with no problems. They have a newer design now, but that should be fine too.
Last edited by rm -rf; 07-15-16 at 09:59 AM.
07-15-16, 09:57 AM
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I once had a local bike shop lace up a wheel with a new rim. While the new rim was straight, tension on the spokes from on to another was all over the place. I've since learned to lace up or true my own wheels. Don't go back to that shop again.
07-15-16, 11:14 AM
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Rats... Looks bad...
Replace it... It could last years before failure but there is no way of knowing and when it goes it will go Bad, Bad, Badly...
Yep... Truing your own wheels just adds to the fun. Especially on cold rainy winter nights. Got a Christmas present of a Park Spoke tension meter and had allot of fun re-truing all my bikes. If I used composite wheels I am sure a tension meter device would be important.
Replace it... It could last years before failure but there is no way of knowing and when it goes it will go Bad, Bad, Badly...
Yep... Truing your own wheels just adds to the fun. Especially on cold rainy winter nights. Got a Christmas present of a Park Spoke tension meter and had allot of fun re-truing all my bikes. If I used composite wheels I am sure a tension meter device would be important.
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07-15-16, 11:42 AM
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That rim is a ticking time bomb. I would not ride it except to get home after you first notice it. I had an Aksium pull through the rim completely on a ride in rural Wisconsin 2 weeks ago and it sucked. Since there were only 20 spoke there was no way to make it not rub the carbon chainstays even with a spoke wrench. I bought a set of Velocity A23 with 28 spokes from Velomine to replace it. I am done with low spoke count wheels.
07-15-16, 04:46 PM
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07-15-16, 04:51 PM
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The average "guy" at the bike shop usually does a bit of everything, relying on his "experience".
Last edited by alestes; 07-15-16 at 05:36 PM.
07-15-16, 04:56 PM
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07-16-16, 09:03 AM
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That rim is a ticking time bomb. I would not ride it except to get home after you first notice it. I had an Aksium pull through the rim completely on a ride in rural Wisconsin 2 weeks ago and it sucked. Since there were only 20 spoke there was no way to make it not rub the carbon chainstays even with a spoke wrench. I bought a set of Velocity A23 with 28 spokes from Velomine to replace it. I am done with low spoke count wheels.
07-18-16, 09:36 AM
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Not uncommon...
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07-18-16, 10:02 AM
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Why did you have the LBS tech work on your wheels? Were they out of true/wobbly?
I suspect the spoke was already cracked. But the tech should have seen it.
It's not unusual for some aluminum rims to have a spoke pull through. But it usually takes quite a lot of miles, and depends on the rim design. And the correct spoke tension makes a difference, too. There can be tiny hairline cracks for quite a while before it gets to the spoke pulling through like yours.
I've seen many reports of Aksium Race wheels lasting a long time with no problems. They have a newer design now, but that should be fine too.
I suspect the spoke was already cracked. But the tech should have seen it.
It's not unusual for some aluminum rims to have a spoke pull through. But it usually takes quite a lot of miles, and depends on the rim design. And the correct spoke tension makes a difference, too. There can be tiny hairline cracks for quite a while before it gets to the spoke pulling through like yours.
I've seen many reports of Aksium Race wheels lasting a long time with no problems. They have a newer design now, but that should be fine too.
The OP took it in and the shop trued it, which is why the wheel is apparently ridable now.
However, some of those cracks can be hard to see, but I just can't imagine not noticing it when truing one's wheel.
07-18-16, 11:01 AM
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Yep the pair from Velomine was less than the cost of materials to build it myself. They were fairly well built. The tension on the rear was too low I brought it up to 120 kgf drive side from ~96 and stress relieved them.
