[Closed] Rim Ding... what would you do

I’d take the tyre off and “massage” as much of it out as you can with a suitably sized block of hardwood and a hammer. Probably try driving the wood tangentially through the rim channel to ease it apart. I might be tempted to butcher it properly with a plumbers wrench or mole grips.

Edit: dont attempt to take the flat spot out, just make the sidewalks more vertical.

The rim is dead, but will last a good few months. I’d did very similar (has some nasty creasing in the surface treatment) to a brand new Easton arc30 back in November. Still blasting about on it. I know it will fatigue pretty soon. Just holding off as I need to save the readies right now.

I'd replace it personally, that's a pretty big ding and there can't be much holding the tyre on at that point.

As above, I've massaged one back liked that and run it with no problems. I would swap the tyre out though with the look of the outer treads where they meet the carcass.

I’d do my best with some pliers and ride it until it properly dies. My Easton Havoc was full of dings and it kept holding air.

I'd straighten the bead a bit and keep riding it as long as it holds air. Have just this afternoon done my XX27 rim which was a little less than that. Once  it's totally dead replace with a DT. That's what my mate did when he totalled his hope rim that I'd straighten in 3 different places already. So far the DT is holding up to his riding much brtter.

is that an HB 160?

yeah just bend it out with pliers .

I've used a rim with a (admittedly smaller) ding for 14yrs and it was fine. Not tubeless though.

If you do carry on with it be sure to carry a tube, doesn't look like it will seal very well, is the tyre holding air OK?

Pliers and a few light taps from a hammer and a block of wood and look for cracking afterwards - if evidence of cracking then ditch the rim. If you're running low enough pressures to ding the rim to that extent then the rim isn't taking much stress from the air pressure in the tyre so no issues structurally at all. I've repaired dings on road bikes at 100 psi with no issues at all.

"I’d replace it personally, that’s a pretty big ding and there can’t be much holding the tyre on at that point."

It might be the case the bead has rolled in on itself and is actually pinching/gripping the bead even moreso. Probably why it's still holding air.

I'd straighten it a bit using an adjustable spanner (not looking for perfect, and listening for any pings or groans that precede a crack starting) and then leave it.

If I'd got time and resources to replace it before going away, then that's exactly what I'd do. It helps that I build my own wheels though.

Just try and straighten out as much as you can. Will never be perfect but good enough for a while yet.

Those hope rims are quite soft so should be ok as long as you take it slow and dont over do it.

Its Ally, I'd get mole grips with plenty of padding (old tyre sidewall?) and try to bend it back in one smooth/slow movement.

Bashing it with a block of wood or lots of small tweaks increases the chance of it cracking, as each time you bend it, it gets more brittle/less ductile.

If it's holding then leave well alone and order a new rim to do a rim swap. That is quite some ding and I suspect that trying to bend it out doesn't gain you anything but might accelerate a crack. In the end it needs replacing

Got to be worth a cheeky warranty call as well.

I would follow my tried and tested approach of ignoring it. 9/10 time works like a dream. 1/10 times you walk home.

Or combine this approach with borrowing a wheel from a mate so if it does disintergrate you can at least ride once you've walked home?

Cant borrow a wheel as its an HB160 with a bespoke rear hub (130mm).

Only option would be to get it rebuilt with a new rim. Went out last night and its holding air fine so going to leave it. I always carry a tube anyway.

Cheers all.

If it's not alight rim then bedding it back can be ok without cracks.

I've ridden rims with similar for years with no issue. All it needs.to do is hold the bead, which it is doing .

I had the same with one of my Hope rims. I'd replace it, preferably with something better, eg. a DT EX471, lighter, wider, stronger.

Adjustable wrench, tweak it back, job done

I’ve got a few days coming up in the lakes soon, would you recommend doing something with it (if so what) or leave it ?

It will probably hold, it will probably straighten a bit but it's probably going to ruin your trip if it doesn't and presumably you are planning to replace it sometime anyway..

It's not like you can just find/borrow another wheel.