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  1. #1
    Throw the stick!!!! LowCel's Avatar
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    I know, I know, it's just chainrings. However, these things are sweet! They are made by Boone Rings. They are custom titanium rings, I went with a 20t granny ring and a 31t middle ring. By going this route I be saving weight on the chain rings (20t ring weighs 13 grams, 31t ring weighs 35 grams). I will also be saving weight because I will be able to go with a 12-27 cassette which will save me an additional 50 grams over a 11-34 cassette. If the weight savings wasn't enough of a reason to go with the Boone rings the fact that they will refinish them every year was definately enough to convince me. Basicly I will be riding new chainrings every year for free after the first year.

    Anyway, here is a picture of one of there chainrings (swiped picture from Strong Ti at mtbr), did I mention that these things are SWEET?!?!?!



    Here is their warranty, how could it get any better than this?
    I may be fat but I'm slow enough to make up for it.

  2. #2
    Custom User never's Avatar
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    Yikes, those things aren't cheap! Look pretty sweet though!

    And when I did the swap from 11-34 (Shimano HG50) to a 12-26 (SRAM), I dropped just under 200g...but the 11-34 you're currently running is probably lighter than my Deore cassette!

  3. #3
    Throw the stick!!!! LowCel's Avatar
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    Nope, definately not cheap. The 20t ring was $32.50, the 31t ring was $86. Total with shipping for the two rings was $123.50. I hate paying retail but I don't believe they will wholesale.

    As for the cassettes I am currently running an XT (claimed 265 grams, actual 294 grams). I am going to an Ultegra 12-27 cassette (claimed 195 grams, actual 223 grams). I guess that will actually drop me 71 grams, even better that I thought!

    On a side note, to get actual component weights check out Weight Weenies.
    I may be fat but I'm slow enough to make up for it.

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    Yeah, Weight Weenies is great for getting an idea of the ACTUAL weights. Most of the readings I get from my digital scale are pretty close to the averages for the same product. The Deore cassette weighed in at 409g (yikes!) and the SRAM was 228g, both with the lockring.

    Someone should build a bike and keep track of the CLAIMED weight versus the ACTUAL weight...wonder what the percentage is? Well, it will definitely depend on the company. All of the recent SRAM (X.9 shifters and derailleur, Avid SD SL brakes) stuff I have gotten has weighed exactly (to the gram) what it was claimed to weigh.

  5. #5
    Throw the stick!!!! LowCel's Avatar
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    Ouch.....was that a boat anchor or a cassette? I didn't even know they could make a cassette out of lead.
    I may be fat but I'm slow enough to make up for it.

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    Yeah, who would have thought that you could lose almost 1/2 pound by swapping out an entry level cassette.

  7. #7
    Throw the stick!!!! LowCel's Avatar
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    That is definately some easy weight loss, wish it was still that easy for me to lose weight on my bikes.

    I have spent a fortune lately losing weight on my Enilightenment (which was already pretty light). I have ordered new tires, wheels, skewers, chainrings, cassette, ti spindles for my egg beaters, derailleur, and a new stem. My total weight savings is going to be right around 655 grams. I'm looking forward to getting everything done and posting my "new" Enlightenment. It should be around 20 - 20.5 pounds by the time it's done.
    Last edited by LowCel; 10-17-05 at 01:50 PM.
    I may be fat but I'm slow enough to make up for it.

  8. #8
    Custom User never's Avatar
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    Damn, that's getting pretty light. Mine feels light at 24.5lbs when I ride but I really haven't tried to make it super light, as I still have some components that sacrifice weight for comfort. Plus, the Rockhopper probably isn't the best frame to build a lightweight bike with.

    Just curious, what wheel setup are you going with?

  9. #9
    Throw the stick!!!! LowCel's Avatar
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    I went with American Classic Disc 350 wheelset. Actual weight for the wheelset is 1493 grams.
    I may be fat but I'm slow enough to make up for it.

  10. #10
    one less horse cryptid01's Avatar
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    Those rings are beautiful. Make sure to post pics after install.

  11. #11
    Senior Member swifferman's Avatar
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    My god man when you build a bike you really BUILD a bike.

  12. #12
    Senior Member zx108's Avatar
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    Quote Originally Posted by LowCel
    That is definately some easy weight loss, wish it was still that easy for me to lose weight on my bikes.

    I have spent a fortune lately losing weight on my Enilightenment (which was already pretty light). I have ordered new tires, wheels, skewers, chainrings, cassette, ti spindles for my egg beaters, derailleur, and a new stem. My total weight savings is going to be right around 655 grams. I'm looking forward to getting everything done and posting my "new" Enlightenment. It should be around 20 - 20.5 pounds by the time it's done.
    weight weenie

    no, that bike is awsome. get it below 20 lowcel!!!

    def. post some pics of the finished product.

  13. #13
    Newbie erhan's Avatar
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    Really really nice chainrings...

    About the cassette, why don't you go for a dura ace 7700? My 12-27 weighs 180 grams, and with 11t cog and lockring it is 177 grams. 40+ grams over ultegra is pretty good I think.

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    Quote Originally Posted by LowCel
    I went with American Classic Disc 350 wheelset. Actual weight for the wheelset is 1493 grams.
    Just looked at those wheels, they are almost identical to the wheelset I was planning to build for when I finally go to discs. They look pretty good...light and strong with a good number of spokes. You'll have to let me know how the hubs in those wheels are.

    I'm just lucky I'm still at the stage where I can spend less than $200 and swap my BG saddle and SPD pedals to lose a pound!

  15. #15
    Throw the stick!!!! LowCel's Avatar
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    gastro - I'll definately post some pictures. Could be 6 weeks or so before I receive them though.

    swifferman - lol, I do my best.

    zx108 - Weight weenie??? Who me? I figure that after losing 50 pounds on my body I deserve to lose a little weight on the bike.

    erhan - I already have the Ultegra cassette which I can no longer use on my road bike. For some reason a 9-speed shimano cassette doesn't work too well with my Campy Record 10-speed roady. Also, I try to stick with the $1.25 rule. I can't justify spending over $1.25 average to lose a gram. If I did not already have the ultegra I would probably go with the dura ace though.

    never - I can only dream of being able to lose weight that easily. I could lose a little weight if I would change saddles but that is the one sacrifice I won't make. I spend too much time on the saddle to get one that could cause me damage. I have already had prostatitis twice now, I don't want it a third time.
    I may be fat but I'm slow enough to make up for it.

  16. #16
    MudLover
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    man, seriously, is this a mtb thread or roadie thread?
    "In my eyes, I'm only poking democracy with a sharpened stick, making sure that it is still alive" Marilyn Manson

  17. #17
    Throw the stick!!!! LowCel's Avatar
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    Quote Originally Posted by da_empire04
    man, seriously, is this a mtb thread or roadie thread?
    I'm sorry......what part exactly makes it a non-mtb thread?
    I may be fat but I'm slow enough to make up for it.

  18. #18
    Too Much Crazy
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    So lowcel,

    If I am understanding this right, you can send the rings back to boone and have them replace or refinish the worn teeth so that you have a new chainring every spring for free??

    Is it that titanium rings won't wear as fast, kind of like steel, or what am I missing here.

    Is sound like a really good deal, not expensive at all.

    You get a lot for your initial investment

  19. #19
    Custom User never's Avatar
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    Quote Originally Posted by unsuspended
    So lowcel,

    If I am understanding this right, you can send the rings back to boone and have them replace or refinish the worn teeth so that you have a new chainring every spring for free??
    Yeah, that sounds like a pretty good deal if you never have to buy another chain ring. I was wondering if there was a "lifespan" of the rings, i.e., how many times can/would they refinish the rings?

  20. #20
    Throw the stick!!!! LowCel's Avatar
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    I would assume that if I ruin the chainring by never changing my chain that they would not cover the damage, I wouldn't expect them to. I imagine they will last quite a while due to being made from ti, at least I have never read anything about anyone wearing one of them out. I just have to send them in once a year and they will take care of them.

    I did elect to not go with one of their outer rings though. If I am going to ruin a ring that is probably the ring that will get the brunt of the damage. I'll probably stick with an FSA ring for the outer ring, unless I can find a 42t outer ring with a 104mm 4-bolt pattern.
    I may be fat but I'm slow enough to make up for it.

  21. #21
    I drink your MILKSHAKE Raiyn's Avatar
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    Quote Originally Posted by LowCel
    As for the cassettes I am currently running an XT (claimed 265 grams, actual 294 grams). I am going to an Ultegra 12-27 cassette (claimed 195 grams, actual 223 grams). I guess that will actually drop me 71 grams, even better that I thought!

    On a side note, to get actual component weights check out Weight Weenies.
    Well according to the Weenies I own you in terms of cassette;
    SRAM R9 (2003) 11-23 9-speed weighs 184 g w/ lockring
    (The 12-26 version comes in at 217)
    Did I mention this is on my commuter?

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