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Thread: Whips, Chains Floggers....Chains and Sprockets

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    Whips, Chains Floggers....Chains and Sprockets

    Now I caught your attention replaced the chain on my bike, manual says dont run new chain with old sprockets. If I replace chains on everything I own then technically all sprockets need replacing too, bicycles?? meh! What is the reason behind this one little comment in my manual that has no explaination. If the teeth are worn at a particular angle then they can be reshaped but Im not seeing the link here. Yes I always lube before every hard and fast ride
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    A worn sprocket wont fit the chain as snugly, and the chain will have more movement around the cogs on the sprocket.

    Then both will wear faster.
    Sweat wipes off. Road-rash doesn't.

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    ...lubrication in all aspects of mechanical or bio-molecular environments are often overlooked...best defence against some kind of molecular breakdown...and cheap...give grease a big thumbs up, before some greenie fw passes a law that recommends parsley as a general all round lubricant...

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    The 550 generally will go though 2 chains per set of sprockets.Getting 35-40 thousand kms per chain. Usually inspect the joining link about 20 thousand and replece it if it looks nasty. Never had a link let go on me yet. Just regular 'ol standard 530 chains lubed frequenily. Lub I use currently is CRC chain lube from Bunnings. In the past just hypoid gear oil, which I've now run out of, and normal motor oil. Been pricing up new sprockets today to try out different gearing.
    "Every time you set your ass on a bike, you're playing a game of Russian Roulette between yourself and your own stupidity."

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    My experience has been that a new chain on old sprockets very quickly becomes another old chain. Sprockets are cheap in comparison to going through chains frequently; I think it's a false economy to not replace both at the same time.

    Reshaping sprocket teeth - how would you propose to do this?

    As a side note, I tried using 90W gear oil as a chain lube, very briefly. It worked wonderfully at freeing up the chain and making it silky smooth, then it also worked brilliantly at coating the rear tyre. That included the side of the rubber that contacted the road. I had to ride home taking care to not lean toward the chain side of the bike. I'd been particular about wiping the chain down thoroughly after lightly lubing it but that still happened anyway. That's with a 180 section rear (ie fairly wide), so there's a bit of drag pulling spray in behind the wheel. Maybe it works better with a narrower rear but I personally wouldn't do it again.

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    Sprockets are cheaper than chain, and worn sprockets destroy chains.

    Not sure what this thread has in point. Do you look for support in not doing the job properly?

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    Quote Originally Posted by OddDuck View Post
    My experience has been that a new chain on old sprockets very quickly becomes another old chain. Sprockets are cheap in comparison to going through chains frequently; I think it's a false economy to not replace both at the same time.

    Reshaping sprocket teeth - how would you propose to do this?

    As a side note, I tried using 90W gear oil as a chain lube, very briefly. It worked wonderfully at freeing up the chain and making it silky smooth, then it also worked brilliantly at coating the rear tyre. That included the side of the rubber that contacted the road. I had to ride home taking care to not lean toward the chain side of the bike. I'd been particular about wiping the chain down thoroughly after lightly lubing it but that still happened anyway. That's with a 180 section rear (ie fairly wide), so there's a bit of drag pulling spray in behind the wheel. Maybe it works better with a narrower rear but I personally wouldn't do it again.
    I used it for years without to much bother because I had at least one shaft drive bike in the shed. Got it on the side wall if I was too generous but the same goes for sticky chain lube as well. Used greese for a bit but when you take the counter shaft sprocket off there's a whole mess of the stuff to get off, as builds up under there. With oil/chain lube it's just a matter of wiping out with a rag with kero/deisol/turps or quick quirt of cheap degreaser and hose off.
    "Every time you set your ass on a bike, you're playing a game of Russian Roulette between yourself and your own stupidity."

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    Quote Originally Posted by Drew View Post
    Sprockets are cheaper than chain, and worn sprockets destroy chains.

    Not sure what this thread has in point. Do you look for support in not doing the job properly?
    A lengh of 530 chain off a real from an industial engineer supplier ain't too badly priced. Especilly if you have a trade discount
    "Every time you set your ass on a bike, you're playing a game of Russian Roulette between yourself and your own stupidity."

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    Bicycles don't have much power. Less than 1 hp and approximately 1pp (person power) those chains die through other means.
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    Quote Originally Posted by F5 Dave View Post
    Bicycles don't have much power. Less than 1 hp and approximately 1pp (person power) those chains die through other means.
    They snap all the time compared to motorbike chains. Sucks coming down a fun track without being able to pedal though

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    Yeah but sprocket wear is not such a concern, just lightweight chain made to the cheapest quote.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  12. #12
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    Quote Originally Posted by Drew View Post
    They snap all the time compared to motorbike chains. Sucks coming down a fun track without being able to pedal though
    sram power chain link and mutli tool, fixed in 5 minutes
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    Quote Originally Posted by Drew View Post
    They snap all the time compared to motorbike chains. Sucks coming down a fun track without being able to pedal though
    You used to be cool.

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    Sorry. Must have missed that. Was that.pre the internet?
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

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