Repairing A Cracked Rim With Metal Epoxy? - Rotorburn

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You are using an out of date browser. It may not display this or other websites correctly.You should upgrade or use an alternative browser. Repairing a cracked rim with metal epoxy?

• Thread starter arpit
• Start date Aug 20, 2007

arpit

Banned

I have a cracked rim. Can it be repaired with metal epoxy? I'm thinking of using something like this : http://www.epoxy.com.pk/steel.htm " Un-Effected by solvents, steam, heat and water. Dependable and tough 6000 Lbs. psi; 350°F. Thus, repairs on mining and earthmoving equipment can often be completed in the field with tremendous savings in downtime and money. Worn bearings, cracked sheet metal, leaking hydraulic systems, fractured castings, countless metal parts with a total replacement value of millions of dollars are now being saved from the scrap pile with the use of a new metal filled epoxy compound called Magic Epoxy Steel" It had a ding in it. When I tried to straighten it with a shifting spanner, as you do with a rotor or chainring, it cracked.

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Last edited: Aug 20, 2007 M

mullan2304

Likes Bikes and Dirt

If you can get the inside edge of the rim straight and smooth then it might work. If it isn't too expensive then it would be a great thing to try. I say give it a go, the rim is stuffed anyway. Just buy a new one in case.

Jazza02

Likes Dirt

just remember if you do repair it. that it will have a weak spot and that means wont be able to ride the fark out of it ever again. I would get a new rim if it happend to me Hope this helps

arpit

Banned

Thanks guys.

cdfeto

Likes Bikes and Dirt

For a temporary fix, for sure. Pretty sure the rim will structurally still remain week, but youll still get hours of bashing out of it, i believe.

Binaural

Eats Squid

I'd be cautious in considering that a long term fix. I don't know much about the material you've named (other than it seems like epoxy with a high proportion of metal) but even if it's tough enough to withstand repetitive bending stresses it's unlikely you will be able to prepare the surface well enough for a good bond. You don't have a lot of surface area to work with as well. Anyway, give it a try (you might as well, after all) but mark the ends of the cracks so you can see if it keeps propagating.

skwiz05

Likes Bikes and Dirt

HaHa...another Mavic rim? Like this one? The 'metal putty' material is no good for alloy rims.......Ok for filling gouges and similar damage in a block of metal but not a hope of glueing a rim crack back together. You'd have better success with 'Alloy solder' or welding. In reality - get a new rim. That ones been stressed way too much now to make hucking safe.

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