Protecting your ebike in damp and wintery weather. ACF-50 protection

breadpud

Finding my (electric) wheels
Apr 12, 2022
19
2
Hi, I've seen some threads about ACF-50 here, which is good. I'm asking more specifically if ebike owners here use ACF-50 on the hub motors though? My first ebike coming soon. It will be used a lot for commuting all year round; in all weathers and kept in an outside shed when not in use. Do users here who use ACF-50 go as far to get it inside the hub motor and electronics (except the LCD it says on the can) to keep the damp and rain from them?
 

Nealh

Esteemed Pedelecer
Aug 7, 2014
20,981
8,565
61
West Sx RH
Never use d it on any of my bikes for the years I have been on here, never yet had an issue riding all year round come rain,shine or snow.
 
  • Like
Reactions: breadpud

richtea99

Esteemed Pedelecer
May 8, 2020
441
285
I was under the impression it's useful for stopping corrosion rather than a water repellant, but maybe it does both?:
i.e. apply it to components that might rust.

The other angle is that if you want protection in the hub, you'll need something that doesn't conduct electric, so maybe WD-40 Specialist Contact Cleaner:

 
Last edited:

Fordulike

Esteemed Pedelecer
Feb 26, 2010
3,802
1,538
Have used ACF-50 for years on my electric bikes and cars. Awesome stuff for keeping rust at bay, but admittedly never used it on electronic components.

I do believe it's electrically inert (does that sound correct?), so should be safe to spray on circuit boards etc.
 

richtea99

Esteemed Pedelecer
May 8, 2020
441
285
I was under the impression it's useful for stopping corrosion rather than a water repellant, but maybe it does both?:
Turns out it's OK for electrics as well. From that page, which I had missed:
- 'Approved for use on electrics & engines '
 

breadpud

Finding my (electric) wheels
Apr 12, 2022
19
2
Yes, it's non conductive. I'm mainly concerned about the bike sitting in the shed after heavy rain and in damp conditions. You don't ACF-50 your bits in your car in winter though, so perhaps I should'nt be too worried.
 

Nealh

Esteemed Pedelecer
Aug 7, 2014
20,981
8,565
61
West Sx RH
If the bike is sitting in damp shed then it will be prudent to protect it, the only reason I never use it is because my bikes are sited in;
1. A sometimes cold but dry porch bike can simply drip dry.
2. The hallway by a rad.
3. In a very dry garage that's usually above freezing unless we get a real cold one (which hasn't occurred for many a year).
 

breadpud

Finding my (electric) wheels
Apr 12, 2022
19
2
If the bike is sitting in damp shed then it will be prudent to protect it, the only reason I never use it is because my bikes are sited in;
1. A sometimes cold but dry porch bike can simply drip dry.
2. The hallway by a rad.
3. In a very dry garage that's usually above freezing unless we get a real cold one (which hasn't occurred for many a year).
Thanks. I think ACF-50 will be useful. Perhaps not internally at the moment. It will drip dry in the shed.
 

Fordulike

Esteemed Pedelecer
Feb 26, 2010
3,802
1,538
Thanks. I think ACF-50 will be useful. Perhaps not internally at the moment. It will drip dry in the shed.
Just a tip, if you plan to buy a can of the spray. Don't spray it on the area you want to cover, it goes everywhere. Just spray the stuff into the can lid and apply with a quarter or half inch paint brush.
 
  • Informative
Reactions: guerney

breadpud

Finding my (electric) wheels
Apr 12, 2022
19
2
Just a tip, if you plan to buy a can of the spray. Don't spray it on the area you want to cover, it goes everywhere. Just spray the stuff into the can lid and apply with a quarter or half inch paint brush.
I used to use it on my motorbike. I still have 1/2 can. But that tip with the brush is an excellent idea :)