Cycled through a river - what to do now?

Went for a ride today and cycled through some water that was quite a bit deeper than I thought.

Submerged my hubs, BB, and both mechs. (Briefly, but still counts unfortunately)

Anything I should be doing?

I REALLY don’t want to strip it down if I can avoid it.

Bike is less fancy than most here.
*Roberts steel frame
*Square taper with sealed bearings
*105 r7000 RD
*Wheels are prime baroudeurs - Dunno how / if I can service the hubs?

River or lake?

Disassembly is the best solution but if you want to chance it, just dry it and apply wd40 liberally.

How does it sound now?
Cycled through waist deep floodwaters a few years back, only the chain really suffered

Thanks all.

It sounds fine tbh, and I rode for 20k after.

I guess it’s the wheels and pedals I’m most worried about.

@Leshaches can I ask where you mean?
I’ve sprayed WD40 in the BB drainage hole, do you mean hubs / pedals / derailleur too?
Dunno how liberal is liberal.

@GoatandTricycle kind of a metaphorical river. Was actually a flooded underpass!

can I ask where you mean?

Dry everything you can with paper towels or rags. WD40 I’d start with exposed steel and pivot points: chain, cassette, both derailleurs, cables. If they’re visibly wet with wd40 all over, that’s a good amount, you basically can’t overdo it at this point. If your chain is waxed you can forgoe this and just re-wax. Once you’ve soaked the parts, wipe them dry and re-lube the chain and derailleur hinges.

You’ll possibly have water pooled inside the bottom bracket, BB shell, freehub, hubs, pedals. Only certain way of getting it out is to do bearing services. WD40 will just break down existing grease, and might prevent rust from water but won’t prevent premature wear from lack of grease.

Thanks very much leshaches!

As above, I'd be wanting to degrease, dry and grease any of the bearings that were affected. The seals may have kept out most of the water but you can't be sure. The bike might roll fine at the moment but could start getting crappy in the coming weeks.
Ultrasonic cleaners are good for stripping chains

I’d just pull all the bearings out and replace if it sounds shitty in a few days time. Fuck wd40ing everything - will just make a mess and won’t get to where you need it.

Pull the seat post out and leave it upside down to drain.

Thank you Phil and Howard!

Rapha Hell of the north 2012 - i didn’t dry or lube anything and it was fine for a few more years! (Although it was single speed so no derailleur)

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Buy/build another bike, specifically for these conditions.

Reality, how clean did the water look? Muddy water is like a grinding paste and water with normal grease causes separation of the oil and soap. But depends if the water got in. If you stopped in the water, but if you were moving who knows without looking in the hubs. As for the BB wait till it fails, not much you can do.

This was one of the best rides

‘Twas indeed - PR at a pub in High Barnet that I can’t remember the name of..?

Thanks all.
I used lots of WD40 and took as much apart as I could be bothered to.
Hopefully fine, but will see in time.

Cool pic!