Bike cleaning

Discussion in 'Beginners' started by Matt49, 7 Jan 2018.

  1. Mattk50

    Mattk50 MattK50

    Location:
    Herts
    Is lubing the chain enough lubrication for the entire drive chain? Doesn't the cassette need oiling as well? I noticed my chain although gleaming yesterday had a bit of rust on the outsides of it :-/
     
  2. ianrauk

    ianrauk Tattooed Beat Messiah

    Location:
    Barmy in Barming
    Just the chain is enough. The lube in the chain will also lube the cassette.
    Surface rust on chains is no problem. Use a rag to regularly wipe the chain of crap and excess lube. That'll do ya.
     
    si_c and Mattk50 like this.
  3. si_c

    si_c Über Member

    Location:
    Wirral
    I commute around 30 miles a day at the moment, just over half that is on filthy country roads or tracks covered in sheep sh1t. The other half is dual carriageway, which throws up salt and other crap.

    I wipe the chain down when I get in from work and am just hosing down and washing at the weekend - nothing serious just a bucket of soapy water and the hose. Bike seems to be doing ok, but it's going to need a deep clean come spring, not done one since I got it.
     
  4. Alan O

    Alan O Über Member

    Location:
    Liverpool
    I'd planned a ride of about 25 miles yesterday, but I managed to twist my knee quite painfully on Saturday so that was off. Instead, I put some of the time to good use cleaning my tourer and MTB (which I've ridden a couple of times each this month).

    I hosed down the frames and wheels and any other bits covered in mud/crud, using a stiff brush to get it all off, and wiped the chains and wheel rims with a rag. I left the bikes to drip dry briefly, and then sprayed the drive chains with GT85 to dispel water. Before I go out on each next time, I'll put a little TF2 oil on the chain. Only about half an hour in all, and time well spent.

    I do a fuller clean of chains a couple of times a year, by taking them off (they have quick links) and soaking/cleaning in white spirit.

    I never buy fancy cleaning products - if I need soap, washing up liquid is fine. And I stock up on GT85 whenever Aldi is selling it cheap, or I get WD40 whenever it's going cheap at my local weekend market - I don't think I've ever paid more than £2 for a 400ml can.
     
    si_c likes this.
  5. Mattk50

    Mattk50 MattK50

    Location:
    Herts
    Whats the point of GT85 or WD40 as a water dispeller? Surely, after drying down your bike and leaving it a few minutes then all the water has gone anyway right?
     
  6. Alan O

    Alan O Über Member

    Location:
    Liverpool
    Dampness can remain for a long time, especially in a wet chain.
     
    ADarkDraconis and Mattk50 like this.
  7. Never use WD40 ( except the bike specific stuff ), on a bicycle chain. It’s viscous and sticky, and will just trap dirt, which will become like a grinding paste on your sprockets, chainrings, and chain.
     
    Mattk50 likes this.
  8. si_c

    si_c Über Member

    Location:
    Wirral
    WD40 is great at getting rid of water from pivots, or along a brake line, but it's a light lube in an aerosol solvent so will attract dirt and grime to a chain or simply wash out really quickly so you're better off using a proper lubricant or some form of light machine oil.

    Nothing wrong with it per-se, but it has it's limitations. I regularly squirt a bit down my brake and gear lines to help keep water out.
     
    Mattk50 likes this.
  9. It’s great for any bits that aren’t metal on metal, or don’t move much, but it’s really not a great idea to use it in place of a proper lube.
     
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  10. Alan O

    Alan O Über Member

    Location:
    Liverpool
    Definitely not as a replacement for a lube, no. I made that mistake many years ago and was plagued by dirty chains for ages until I worked out what the problem was.
     
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  11. Mattk50

    Mattk50 MattK50

    Location:
    Herts
    I thought GT85 and WD40 were similar? So GT85 is ok as a spray after washing including on the chain before lubing?
     
    Racing roadkill likes this.
  12. Alan O

    Alan O Über Member

    Location:
    Liverpool
    They are similar, but GT85 has some kind of Teflon stuff added to it which sounds like a good thing, and WD40 does seem to dry out leaving a stickier residue. I use GT85 on my chain frequently to dispel water (including after I've come home in the rain) as I hate leaving chains wet and open to rust, and then use a simple bike oil to lightly relube afterwards. And my chains stay clean, rust-free, and smooth-running.
     
    Mattk50 likes this.
  13. GT85 is a PTFE loaded solvent, which leaves PTFE behind upon evaporation. WD40 is a gloopy water dispersant, which is like a dirt magnet.
     
    Mattk50 likes this.
  14. Ooh goody. A WD40 argument.

    It attracts dirt, doncha know ;)
     
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  15. Mattk50

    Mattk50 MattK50

    Location:
    Herts
    Nope I didn't know. I typed in PTFE into google and feel like I'm back learning chemistry at school!
     
    ADarkDraconis likes this.
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