Custom bifold closet

A quick learner from Maryland says:
My dad custom built these mirrored bifold closet doors in the early-mid 80s. I thought I repaired them but if I'm being honest, it was probably a temporary fix. It seems like the tracks (bottom/top) themselves are probably fine. However, I could see a new bumper-- at least on the bottom track and definitely maybe new pins and pin brackets? I'm just not sure which would be best for these doors. I've attached some photos so you can see the sad state they are in. I have to reattach the handle on the right door so please ignore that it is missing. (POST 1:: I have more photos, but I see I can only attach 5. I will be making another post to share more photos with the same message.)
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A quick learner from Maryland says:
My dad custom built these mirrored bifold closet doors in the early-mid 80s. I thought I repaired them but if I'm being honest, it was probably a temporary fix. It seems like the tracks (bottom/top) themselves are probably fine. However, I could see a new bumper-- at least on the bottom track and definitely maybe new pins and pin brackets? I'm just not sure which would be best for these doors. I've attached some photos so you can see the sad state they are in. I have to reattach the handle on the right door so please ignore that it is missing. (POST 2: I have more photos, but I see I can only attach 5. I will be making another post to share more photos with the same message.)
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A quick learner from Maryland says:
My dad custom built these mirrored bifold closet doors in the early-mid 80s. I thought I repaired them but if I'm being honest, it was probably a temporary fix. It seems like the tracks (bottom/top) themselves are probably fine. However, I could see a new bumper-- at least on the bottom track and definitely maybe new pins and pin brackets? I'm just not sure which would be best for these doors. I've attached some photos so you can see the sad state they are in. I have to reattach the handle on the right door so please ignore that it is missing. (POST 3/FINAL POST:: I have more photos, but I see I can only attach 5. I will be making another post to share more photos with the same message.)
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Casey from SWISCO responded:

Hello,

The pin cap shown in your photos resembles the 21-108 shown below. We offer a few different pins that are used with this cap, which are related on this page for you to review. We also included a few bifold door bumpers for you to consider. Take a look and compare the specifications shown on our product pages to determine which of them could work for your repair. Thank you! 

Detail of 21-108
Detail of 21-108

Detail of 21-108
Detail of 21-108

Bi-fold Door Repairs
Bi-fold Door Repairs
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