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Is this a crack on the carbon frame?
Metal seat post with carbon fiber frame?Repair superficial damage to a carbon frameExtending integrated carbon seat tubeCarbon frame damageCarbon frame cracksDoes a carbon frame need two-bolt seat clamp?Should I worry about a chipped carbon mountain bike frame?Lugged carbon frame repaircan I use an aluminium seatpost to install a tagalong on a carbon fiber frame?carbon seat post to carbon seat tube - necessary to loosen periodically to prevent seizing in place?
I have just noticed this on the top of my saddle bar and where the seat post clamp is. Is it a crack probably caused by the saddle pressure?
carbon
asked 5 hours ago
AmirAmir
1204
add a comment |
I have just noticed this on the top of my saddle bar and where the seat post clamp is. Is it a crack probably caused by the saddle pressure?
carbon
asked 5 hours ago
AmirAmir
1204
Take this same photo monthly, and compare it over time. If the line changes and grows in width or thickness then its a crack. If not, it isn't.
– Criggie♦
2 hours ago
add a comment |
I have just noticed this on the top of my saddle bar and where the seat post clamp is. Is it a crack probably caused by the saddle pressure?
carbon
asked 5 hours ago
AmirAmir
1204
I have just noticed this on the top of my saddle bar and where the seat post clamp is. Is it a crack probably caused by the saddle pressure?
carbon
carbon
asked 5 hours ago
AmirAmir
1204
asked 5 hours ago
AmirAmir
1204
edited 5 hours ago
Amir
asked 5 hours ago
AmirAmir
1204
asked 5 hours ago
AmirAmir
1204
asked 5 hours ago
AmirAmir
1204
1204
Take this same photo monthly, and compare it over time. If the line changes and grows in width or thickness then its a crack. If not, it isn't.
– Criggie♦
2 hours ago
add a comment |
Take this same photo monthly, and compare it over time. If the line changes and grows in width or thickness then its a crack. If not, it isn't.
– Criggie♦
2 hours ago
Take this same photo monthly, and compare it over time. If the line changes and grows in width or thickness then its a crack. If not, it isn't.
– Criggie♦
2 hours ago
Take this same photo monthly, and compare it over time. If the line changes and grows in width or thickness then its a crack. If not, it isn't.
– Criggie♦
2 hours ago
add a comment |
1 Answer
1
active
oldest
votes
Doesn’t look like a crack, looks more like a surface void that formed during the resin injection molding. These types of imperfections are not uncommon, especially on the inside of the frame where you can’t see them. Less common to see them on the outside as they are usually caught in quality control inspections. While they are not ideal, as areas with voids will be somewhat weaker than areas without voids (depending on the size and depth of the void), they are not critical like a crack.
answered 4 hours ago
Rider_XRider_X
24.9k14595
1
Most importantly, the irregularity seen in the image has mostly smooth edges (except where worn/machined for the clamp). A crack will generally have sharp edges. However, that very thin line below the more obvious dent could be a crack. But it's more likely just a less severe indication of the mold seam that created the dents at the top. A closer examination would be needed to see if its edge are rounded or sharp.
– Daniel R Hicks
4 hours ago
add a comment |
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1 Answer
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active
oldest
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1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Doesn’t look like a crack, looks more like a surface void that formed during the resin injection molding. These types of imperfections are not uncommon, especially on the inside of the frame where you can’t see them. Less common to see them on the outside as they are usually caught in quality control inspections. While they are not ideal, as areas with voids will be somewhat weaker than areas without voids (depending on the size and depth of the void), they are not critical like a crack.
answered 4 hours ago
Rider_XRider_X
24.9k14595
1
Most importantly, the irregularity seen in the image has mostly smooth edges (except where worn/machined for the clamp). A crack will generally have sharp edges. However, that very thin line below the more obvious dent could be a crack. But it's more likely just a less severe indication of the mold seam that created the dents at the top. A closer examination would be needed to see if its edge are rounded or sharp.
– Daniel R Hicks
4 hours ago
add a comment |
Doesn’t look like a crack, looks more like a surface void that formed during the resin injection molding. These types of imperfections are not uncommon, especially on the inside of the frame where you can’t see them. Less common to see them on the outside as they are usually caught in quality control inspections. While they are not ideal, as areas with voids will be somewhat weaker than areas without voids (depending on the size and depth of the void), they are not critical like a crack.
answered 4 hours ago
Rider_XRider_X
24.9k14595
1
Most importantly, the irregularity seen in the image has mostly smooth edges (except where worn/machined for the clamp). A crack will generally have sharp edges. However, that very thin line below the more obvious dent could be a crack. But it's more likely just a less severe indication of the mold seam that created the dents at the top. A closer examination would be needed to see if its edge are rounded or sharp.
– Daniel R Hicks
4 hours ago
add a comment |
Doesn’t look like a crack, looks more like a surface void that formed during the resin injection molding. These types of imperfections are not uncommon, especially on the inside of the frame where you can’t see them. Less common to see them on the outside as they are usually caught in quality control inspections. While they are not ideal, as areas with voids will be somewhat weaker than areas without voids (depending on the size and depth of the void), they are not critical like a crack.
answered 4 hours ago
Rider_XRider_X
24.9k14595
Doesn’t look like a crack, looks more like a surface void that formed during the resin injection molding. These types of imperfections are not uncommon, especially on the inside of the frame where you can’t see them. Less common to see them on the outside as they are usually caught in quality control inspections. While they are not ideal, as areas with voids will be somewhat weaker than areas without voids (depending on the size and depth of the void), they are not critical like a crack.
answered 4 hours ago
Rider_XRider_X
24.9k14595
edited 4 hours ago
answered 4 hours ago
Rider_XRider_X
24.9k14595
answered 4 hours ago
Rider_XRider_X
24.9k14595
answered 4 hours ago
Rider_XRider_X
24.9k14595
24.9k14595
1
Most importantly, the irregularity seen in the image has mostly smooth edges (except where worn/machined for the clamp). A crack will generally have sharp edges. However, that very thin line below the more obvious dent could be a crack. But it's more likely just a less severe indication of the mold seam that created the dents at the top. A closer examination would be needed to see if its edge are rounded or sharp.
– Daniel R Hicks
4 hours ago
add a comment |
1
Most importantly, the irregularity seen in the image has mostly smooth edges (except where worn/machined for the clamp). A crack will generally have sharp edges. However, that very thin line below the more obvious dent could be a crack. But it's more likely just a less severe indication of the mold seam that created the dents at the top. A closer examination would be needed to see if its edge are rounded or sharp.
– Daniel R Hicks
4 hours ago
1
1
Most importantly, the irregularity seen in the image has mostly smooth edges (except where worn/machined for the clamp). A crack will generally have sharp edges. However, that very thin line below the more obvious dent could be a crack. But it's more likely just a less severe indication of the mold seam that created the dents at the top. A closer examination would be needed to see if its edge are rounded or sharp.
– Daniel R Hicks
4 hours ago
Most importantly, the irregularity seen in the image has mostly smooth edges (except where worn/machined for the clamp). A crack will generally have sharp edges. However, that very thin line below the more obvious dent could be a crack. But it's more likely just a less severe indication of the mold seam that created the dents at the top. A closer examination would be needed to see if its edge are rounded or sharp.
– Daniel R Hicks
4 hours ago
add a comment |
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Take this same photo monthly, and compare it over time. If the line changes and grows in width or thickness then its a crack. If not, it isn't.
– Criggie♦
2 hours ago