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Bashing large chainring

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Mountain Bikes
Published
30 May 2003
Last activity
31 May 2003
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Tacomaboy
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  1. Just got my new Deore crank/chainring set installed and took it into the rocks yesterday. The large
    aluminum ring crunched nicely along the many small boulders I encountered. Fortunately, the chain
    still grips to the ring, but it looks like someone took a grinder to some of the chainring teeth. My
    question is this... do most of you use bash rings? Do most of you not have this problem (ie am I
    doing something wrong or does my bike have abnormally low clearance). I have thought about buying
    one and swapping it in/out with my normal chain ring depending on where I am going to ride. Also, is
    it better to get a bash ring and swap it out, or get a chain ring guard, which I assume will lower
    my clearance even further (but not require me to swap it out constantly).

  2. Oh BTW, what measurements do I need to take if I order a bash ring? I know I will need to
    count teeth.

    "TacomaBoy" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Just got my new Deore crank/chainring set installed and took it into the rocks yesterday. The
    large aluminum ring crunched nicely along the many small boulders I encountered. Fortunately, the
    chain still grips to the ring, but it looks like someone took a grinder to some of the chainring
    teeth. My question is this... do most of you use bash rings? Do most of you not have this problem
    (ie am I doing something wrong or


    does

    Quoted message said:

    my bike have abnormally low clearance). I have thought about buying one and swapping it in/out
    with my normal


    chain

    Quoted message said:

    ring depending on where I am going to ride. Also, is it better to get a bash ring and swap it out,
    or get a chain ring guard, which I assume will lower my clearance even further (but not require me
    to swap it out constantly).

  3. Quoted message said:

    Just got my new Deore crank/chainring set installed and took it into the rocks yesterday. The
    large aluminum ring crunched nicely along the many small boulders I encountered. Fortunately, the
    chain still grips to the ring, but it looks like someone took a grinder to some of the chainring
    teeth. My question is this... do most of you use bash rings? Do most of you not have this problem
    (ie am I doing something wrong or


    does

    Quoted message said:

    my bike have abnormally low clearance). I have thought about buying one and swapping it in/out
    with my normal


    chain

    Quoted message said:

    ring depending on where I am going to ride. Also, is it better to get a bash ring and swap it out,
    or get a chain ring guard, which I assume will lower my clearance even further (but not require me
    to swap it out constantly).

    Proper technique will allow you to cross obstacles without touching the chainring. It involves
    popping the front wheel up on the obstacle, then throwing your weight forward to pop the rear wheel
    up. Ride with some more experienced riders and watch how they do it. It's definitely a necessary
    skill to learn.

    Inevitably though, the large chainring ends up being the bash ring by default. They will still work
    even with a huge flat spot since the chain has so many other teeth to use. They're only usually used
    for road transport anyway. I've taco'ed mine twice (as in teeth bent out 90 degrees), hammered it
    back and it still works fine.

  4. TacomaBoy <[email hidden]> spoke thusly...

    Quoted message said:

    Oh BTW, what measurements do I need to take if I order a bash ring? I know I will need to
    count teeth.

    "TacomaBoy" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Just got my new Deore crank/chainring set installed and took it into the rocks yesterday. The
    large aluminum ring crunched nicely along the many small boulders I encountered. Fortunately,
    the chain still grips to the ring, but it looks like someone took a grinder to some of the
    chainring teeth. My question is this... do most of you use bash rings? Do most of you not have
    this problem (ie am I doing something wrong or


    does

    Quoted message said:

    my bike have abnormally low clearance). I have thought about buying one and swapping it in/out
    with my normal


    chain

    Quoted message said:

    ring depending on where I am going to ride. Also, is it better to get a bash ring and swap it
    out, or get a chain ring guard, which I assume will lower my clearance even further (but not
    require me to swap it out constantly).

    I thought you had to take the big ring off to put a bash ring on?
    --
    ~Travis

    travis57 at megalink dot net megalink.net~farmers

  5. John Harlow <[email hidden]> spoke thusly...

    Quoted message said:


    Quoted message said:

    Just got my new Deore crank/chainring set installed and took it into the rocks yesterday. The
    large aluminum ring crunched nicely along the many small boulders I encountered. Fortunately,
    the chain still grips to the ring, but it looks like someone took a grinder to some of the
    chainring teeth. My question is this... do most of you use bash rings? Do most of you not have
    this problem (ie am I doing something wrong or


    does

    Quoted message said:

    my bike have abnormally low clearance). I have thought about buying one and swapping it in/out
    with my normal


    chain

    Quoted message said:

    ring depending on where I am going to ride. Also, is it better to get a bash ring and swap it
    out, or get a chain ring guard, which I assume will lower my clearance even further (but not
    require me to swap it out constantly).

    Proper technique will allow you to cross obstacles without touching the chainring. It involves
    popping the front wheel up on the obstacle, then throwing your weight forward to pop the rear
    wheel up. Ride with some more experienced riders and watch how they do it. It's definitely a
    necessary skill to learn.

    Inevitably though, the large chainring ends up being the bash ring by default. They will still
    work even with a huge flat spot since the chain has so many other teeth to use. They're only
    usually used for road transport anyway. I've taco'ed mine twice (as in teeth bent out 90 degrees),
    hammered it back and it still works fine.

    "They're only usually used for road transport anyway"

    right, i use mine quite a bit on trails. flats, and on some shallow climbs. so i guess that makes me
    unusual. ;-)
    --
    ~Travis

    travis57 at megalink dot net megalink.net~farmers

  6. "Technician" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    TacomaBoy <[email hidden]> spoke thusly...

    Quoted message said:

    Oh BTW, what measurements do I need to take if I order a bash ring? I


    know

    Quoted message said:
    Quoted message said:

    I will need to count teeth.

    "TacomaBoy" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Just got my new Deore crank/chainring set installed and took it into


    the

    Quoted message said:
    Quoted message said:
    Quoted message said:

    rocks yesterday. The large aluminum ring crunched nicely along the


    many

    Quoted message said:
    Quoted message said:
    Quoted message said:

    small boulders I encountered. Fortunately, the chain still grips to


    the

    Quoted message said:
    Quoted message said:
    Quoted message said:

    ring, but it looks like someone took a grinder to some of the


    chainring

    Quoted message said:
    Quoted message said:
    Quoted message said:

    teeth. My question is this... do most of you use bash rings? Do most of you not have this
    problem (ie am I doing something wrong or


    does

    Quoted message said:

    my bike have abnormally low clearance). I have thought about buying one and swapping it in/out
    with my normal


    chain

    Quoted message said:

    ring depending on where I am going to ride. Also, is it better to get


    a

    Quoted message said:
    Quoted message said:
    Quoted message said:

    bash ring and swap it out, or get a chain ring guard, which I assume


    will

    Quoted message said:
    Quoted message said:
    Quoted message said:

    lower my clearance even further (but not require me to swap it out constantly).


    It looks like there are two types of bash rings, one that goes next to the large ring, but has a
    slightly bigger diameter, and one that replaces the chain ring.

  7. John Harlow said:
    Quoted message said:


    Proper technique will allow you to cross obstacles without touching the chainring.

    In some places perhaps. Around here, we got's ledges in bushels. I bach my chainring going up and
    down. Scraping a chainring on a ledges whilst going down it is a supremely uncomfortable feeling.

    I make my own bashrings out of big chainrings, and I do it while riding ;*)

    anthonysloan.comnrscring.jpg

    Tacomaboy, There's a dud ethat posts on the mojo board named Bruzed who makes a bashguard called a
    City Park Condom. They are cheap and effective.

    A

  8. In article <[email hidden]>, [email hidden] says...

    Quoted message said:

    Just got my new Deore crank/chainring set installed and took it into the rocks yesterday. The
    large aluminum ring crunched nicely along the many small boulders I encountered. Fortunately, the
    chain still grips to the ring, but it looks like someone took a grinder to some of the chainring
    teeth. My question is this... do most of you use bash rings? Do most of you not have this problem
    (ie am I doing something wrong or does my bike have abnormally low clearance). I have thought
    about buying one and swapping it in/out with my normal chain ring depending on where I am going to
    ride. Also, is it better to get a bash ring and swap it out, or get a chain ring guard, which I
    assume will lower my clearance even further (but not require me to swap it out constantly).

    The big ring is the bash ring as far as I'm concerned but if you want a big ring bash guard then all
    you ned to know is the number of teeth the rng has and the bolt pattern. In this case you need a
    104mm BDC 4 bolt guard for 42-44T rings. If you want to just get the bash guard that replaces the
    big ring then you need 104mm BCD 4 bolt there also.
    --
    _________________________
    Chris Phillipo - Cape Breton, Nova Scotia ramsays-online.comramsays-online.com

  9. "TacomaBoy" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Just got my new Deore crank/chainring set installed and took it into the rocks yesterday. The
    large aluminum ring crunched nicely along the many small boulders I encountered. Fortunately, the
    chain still grips to the ring, but it looks like someone took a grinder to some of the chainring
    teeth. My question is this... do most of you use bash rings? Do most of you not have this problem
    (ie am I doing something wrong or


    does

    Quoted message said:

    my bike have abnormally low clearance). I have thought about buying one and swapping it in/out
    with my normal


    chain

    Quoted message said:

    ring depending on where I am going to ride. Also, is it better to get a bash ring and swap it out,
    or get a chain ring guard, which I assume will lower my clearance even further (but not require me
    to swap it out constantly).

    I've used Rock Rings and now Black Spire's Ring God. Even if it's only trees I got sick of
    warping the big rings when it was used to propell the bike over a big obstacle. I rode my new
    bike once before losing teeth to some rocks. In some technical riding there's just no way you can
    miss them all.

    I don't remember have to count teeth so much as you need to specify the BCD. 4 bolt or 5 bolt. The
    new Shimano should be the 4 bolt 104mm BCD. Check out blackspire.comprod cguard.html

    Given the I do use the big ring frequently I chose to use the one that adds on outside the big ring.
    It does not reduce clearance more than an extra 2mm (maybe). Swapping out the big ring v.s. the bash
    guard would be way too much work. I would predict that you'd have the bash guard on when you need
    the big ring and the big ring on when you need the bash guard. Kind of defeats the purpose.

    Rob S

  10. "Anthony Sloan" <[email hidden]> wrote in message "]news:[email hidden]...

    Quoted message said:

    anthonysloan.comnrscring.jpg

    Now THAT is bike [censored]!

    Bill "if I weren't five months and 3 days smoke free..." S.

  11. TacomaBoy said:

    Just got my new Deore crank/chainring set installed and took it into the rocks yesterday. The
    large aluminum ring crunched nicely along the many small boulders I encountered. Fortunately, the
    chain still grips to the ring, but it looks like someone took a grinder to some of the chainring
    teeth. My question is this... do most of you use bash rings? Do most of you not have this problem
    (ie am I doing something wrong or does my bike have abnormally low clearance). I have thought
    about buying one and swapping it in/out with my normal chain ring depending on where I am going to
    ride. Also, is it better to get a bash ring and swap it out, or get a chain ring guard, which I
    assume will lower my clearance even further (but not require me to swap it out constantly).

    I used to go through big chainrings a lot faster than I should. I put a tooth fairy on and now my
    big chainrings last forever and the tooth fairy has the scars to prove it 🙂.

    I highly recommend the tooth fairy. I haven't used any of the others, but I like still having my
    large chainring.

    David

  12. Around here we loose the third ring for a ring that protects the 2nd one and you get a bit more
    clearance.

    "David Kunz" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:
    TacomaBoy said:

    Just got my new Deore crank/chainring set installed and took it into the rocks yesterday. The
    large aluminum ring crunched nicely along the many small boulders I encountered. Fortunately,
    the chain still grips to the ring, but it looks like someone took a grinder to some of the
    chainring teeth. My question is this... do most of you use bash rings? Do most of you not have
    this problem (ie am I doing something wrong or


    does

    Quoted message said:
    Quoted message said:

    my bike have abnormally low clearance). I have thought about buying one and swapping it in/out
    with my normal


    chain

    Quoted message said:
    Quoted message said:

    ring depending on where I am going to ride. Also, is it better to get a bash ring and swap it
    out, or get a chain ring guard, which I assume


    will

    Quoted message said:
    Quoted message said:

    lower my clearance even further (but not require me to swap it out constantly).

    I used to go through big chainrings a lot faster than I should. I put a tooth fairy on and now my
    big chainrings last forever and the tooth fairy has the scars to prove it 🙂.

    I highly recommend the tooth fairy. I haven't used any of the others, but I like still having my
    large chainring.

    David

  13. Stephen Baker <[email hidden]> spoke thusly...

    Quoted message said:

    bugboy t-p'ed:

    Quoted message said:

    Around here we loose the third ring for a ring that protects the 2nd one and you get a bit more
    clearance.

    Down here I just use the (steel) big ring as a bash ring. Didn't use the thing much anyway....

    Steve

    Am i the only person to use the big ring much on the trails?
    --
    ~Travis

    travis57 at megalink dot net megalink.net~farmers

  14. "Technician" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Stephen Baker <[email hidden]> spoke thusly...

    Quoted message said:

    bugboy t-p'ed:

    Quoted message said:

    Around here we loose the third ring for a ring that protects the 2nd


    one and

    Quoted message said:
    Quoted message said:
    Quoted message said:

    you get a bit more clearance.

    Down here I just use the (steel) big ring as a bash ring. Didn't use


    the thing

    Quoted message said:
    Quoted message said:

    much anyway....

    Steve

    Am i the only person to use the big ring much on the trails?
    --
    ~Travis

    travis57 at megalink dot net megalink.net~farmers

    The rest of us just like our knees.

    I use it on fireroads, or when racing. However, I'm definitely in the Hampster Wheel camp... spin
    spin spin spin spin spin!

    Jon Bond

  15. Jon Bond <[email hidden]> spoke thusly...

    Quoted message said:


    "Technician" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Stephen Baker <[email hidden]> spoke thusly...

    Quoted message said:

    bugboy t-p'ed:

    >Around here we loose the third ring for a ring that protects the 2nd


    one and

    Quoted message said:
    Quoted message said:

    >you get a bit more clearance.
    >

    Down here I just use the (steel) big ring as a bash ring. Didn't use


    the thing

    Quoted message said:
    Quoted message said:

    much anyway....

    Steve

    Am i the only person to use the big ring much on the trails?
    --
    ~Travis

    travis57 at megalink dot net megalink.net~farmers

    The rest of us just like our knees.

    I use it on fireroads, or when racing. However, I'm definitely in the Hampster Wheel camp... spin
    spin spin spin spin spin!

    Jon Bond

    Yeah, see, that's the difference. my legs are built for power, whereas your (and most others) are
    built for speed. I doubt no matter how hard i try i could get a "normal" speed cadence anymore. I
    just end up spinning out and my feet slip off the pedals. though i did file some nice teeth into the
    pedals so my feet don't slip when they are wet. i imagine they could be hell should skin come in
    contact with them in a crash, but i don't crash very often, and when i do, the bike and me seem to
    part ways rather quickly. i'm not one of those folks that hold on a death grip and ride it into the
    ground. i learned back when i had a dirt bike that it is safer to separate from the bike to minimize
    damage from entanglement.

    hmm, went off on a tangent again... (can you tell i have A.D.D.?)

    But back on subject, my knees don't bother, except for when i spin too fast. maybe i am just
    destined to be a power rider that's able to explode in a feat of power that could snap a chain with
    minimal effort and muscle up a climb... for a few minutes anyway, then i'm dead. maybe i am just
    simply destined for the singlespeed crowd.

    Funny, i just thought of my chain. it is 114 links i think, and i know at least 37 of the links are
    master links (useful for a quick chain fix). at least now i have a chain-tool (came on my nifty
    Topeak Hummer) so no more ripping a busted outer plate link off with a leatherman.

    Given that the rear freewheel cluster and front chainrings are fairly new (aka, show little signs of
    wear, other than some rock bash marks on the big ring), it would be a good time to install a new
    chain before it is too late and i need a new drivetrain.

    Found an ad for a computer tech job at some school district. paper gives, like, no information about
    it so i though i would stop in and check it out. may be worth a shot. maybe if i lightly pad my
    resume a bit. needs updating anyway.
    --
    ~Travis

    travis57 at megalink dot net megalink.net~farmers

  16. Technician said:

    Am i the only person to use the big ring much on the trails?

    I don't even have one on my MTB took it off and replaced it w/ a basher:
    shavings.netHab 01 22 2002.jpg

    On the SS I installed a basher to protect my only ring:
    shavings.netSS Bash.jpg

  17. Forget converting to a SS.

    Yes you need huge power to get up the climbs but...

    to keep up with geared riders you need to be able to spin like a hamster on speed.

    I find it much harder to keep up with geared riders on the flat on my SS not uphill or even downhil
    (off-road).

    If the geared riders are in their granny rings and you have given up on riding up a hill you can
    push up as fast as they are riding anyway.

    Justin

    "Technician" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Jon Bond <[email hidden]> spoke thusly...

    Quoted message said:


    "Technician" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Stephen Baker <[email hidden]> spoke thusly...
    > bugboy t-p'ed:
    >
    > >Around here we loose the third ring for a ring that protects the


    2nd

    Quoted message said:
    Quoted message said:

    one and

    Quoted message said:

    > >you get a bit more clearance.
    > >
    >
    > Down here I just use the (steel) big ring as a bash ring. Didn't


    use

    Quoted message said:
    Quoted message said:

    the thing

    Quoted message said:

    > much anyway....
    >
    > Steve
    >

    Am i the only person to use the big ring much on the trails?
    --
    ~Travis

    travis57 at megalink dot net megalink.net~farmers

    The rest of us just like our knees.

    I use it on fireroads, or when racing. However, I'm definitely in the Hampster Wheel camp...
    spin spin spin spin spin spin!

    Jon Bond

    Yeah, see, that's the difference. my legs are built for power, whereas your (and most others) are
    built for speed. I doubt no matter how hard i try i could get a "normal" speed cadence anymore. I
    just end up spinning out and my feet slip off the pedals. though i did file some nice teeth into
    the pedals so my feet don't slip when they are wet. i imagine they could be hell should skin come
    in contact with them in a crash, but i don't crash very often, and when i do, the bike and me seem
    to part ways rather quickly. i'm not one of those folks that hold on a death grip and ride it into
    the ground. i learned back when i had a dirt bike that it is safer to separate from the bike to
    minimize damage from entanglement.

    hmm, went off on a tangent again... (can you tell i have A.D.D.?)

    But back on subject, my knees don't bother, except for when i spin too fast. maybe i am just
    destined to be a power rider that's able to explode in a feat of power that could snap a chain
    with minimal effort and muscle up a climb... for a few minutes anyway, then i'm dead. maybe i am
    just simply destined for the singlespeed crowd.

    Funny, i just thought of my chain. it is 114 links i think, and i know at least 37 of the links
    are master links (useful for a quick chain fix). at least now i have a chain-tool (came on my
    nifty Topeak Hummer) so no more ripping a busted outer plate link off with a leatherman.

    Given that the rear freewheel cluster and front chainrings are fairly new (aka, show little signs
    of wear, other than some rock bash marks on the big ring), it would be a good time to install a
    new chain before it is too late and i need a new drivetrain.

    Found an ad for a computer tech job at some school district. paper gives, like, no information
    about it so i though i would stop in and check it out. may be worth a shot. maybe if i lightly pad
    my resume a bit. needs updating anyway.
    --
    ~Travis

    travis57 at megalink dot net megalink.net~farmers

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