Dealing with damage from chain suck

[kjarrett]

This is the frame I just picked up, suggestions as to what to do with this area? The rest of the frame is in pretty fantastic shape overall. Thanks!

 

[Graham_hkr]

Probably clean it up back to clean metal & use some type of Metal Epoxy Putty.
A thin leyer should do it, make sure it can be sanded back, simply blend it back in & add some primer then use some fine wet & dry 600/800 grit, the more time you spend on it the better the finished result.

 

[Kona-Ian]

I would get a soft disc on angle grinder and gently clean the area up.
Then tidy it up with various wet and dry paper grades.
Then obviously prepare and paint.
That's not too bad really.

 

[kjarrett]

Probably clean it up back to clean metal & use some type of Metal Epoxy Putty.
A thin leyer should do it, make sure it can be sanded back, simply blend it back in & add some primer then use some fine wet & dry 600/800 grit, the more time you spend on it the better the finished result.

Never heard of epoxy putty but I like the idea - like this? https://www.amazon.com/Yanyi-Repair-Pla ... ref=sr_1_9

My initial goal with this project is to get the bike up and running to see how it feels, really hoping the 18" frame fits and feels better than the 16" which is clearly too small (another post coming on that shortly).

Once I've built the bike and ridden it to determine it's a keeper, I'm planning to have the frame bead blasted and powder coated. I'd do this repair and prep work before handing it off to them.

Many thanks!

-kj-

 

[kjarrett]

I would get a soft disc on angle grinder and gently clean the area up.
Then tidy it up with various wet and dry paper grades.
Then obviously prepare and paint.
That's not too bad really.

Thanks, agree it's not too bad, have seen much worse.

Appreciate the reply, still formulating my approach!

-kj-

 

[Kona-Ian]

Small amount of body filler would work on that too.
Best using filler rather than remove too much metal.

 

[kjarrett]

Small amount of body filler would work on that too.

Indeed, a bit hesitant tho as I've never worked with any of these materials, want the easiest and best possible solution for someone with my experience (0) and skill level (questionable). ;-)

 

[ishaw]

Re:

I don't think that's bad at all. Leave it for now, or at least some kurust to prevent further rusting), decide if it is a keeper or not.

If you plan to get it powdercoated, you can't use any non-metal products as the powder coat requires a charge to be run through the frame making the powder stick to it. Non metal means no charge/stick.

Powder coat can be quite thick, and as the chainsuck is minimal, I'd just sand it to get a nice and smooth as possible area which will blend nicely once the paint on the rest of the frame is removed. I doubt you'll notice it once repainted.

 

[kjarrett]

Re: Re:

I don't think that's bad at all. Leave it for now, or at least some kurust to prevent further rusting), decide if it is a keeper or not.

If you plan to get it powdercoated, you can't use any non-metal products as the powder coat requires a charge to be run through the frame making the powder stick to it. Non metal means no charge/stick.

Powder coat can be quite thick, and as the chainsuck is minimal, I'd just sand it to get a nice and smooth as possible area which will blend nicely once the paint on the rest of the frame is removed. I doubt you'll notice it once repainted.

Super helpful. Thank you!

 

[FluffyChicken]

you're only going to get more chainsuck anyway, don't worry about it too much and keep it as patina