Machine shop in Boise- Mtbr.com
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  1. #1
    mtbr member
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    Machine shop in Boise

    Has anyone used a local machine shop for bicycle specific work? I have some old-used big chainrings that I want to grind the teeth off of to use as a ghetto bashguard. I can break out the files but I'm not that patient...

  2. #2
    Sheepherder/Cat Herder Moderator
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    bench grinder
    ...building wherever they'll let me...

  3. #3
    King of the Barneys
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    Jake Hawks did that for me one afternoon at Moos, and I ran the guard on my SS for a couple years. If you want it perfectly round and smooth, you might need a machine to do the holding, rather than your hands, though.

    CDB
    May your trails be narrow, crooked, lonesome and dangerous, leading to the most outrageous adventures. Paladin

  4. #4
    TERVOR THE GREAT
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    why don't you just buy a bashring?
    I am become death, the destroyer of worlds.

  5. #5
    mtbr member
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    Quote Originally Posted by DelTaco
    why don't you just buy a bashring?
    I try to recycle old parts...

  6. #6
    Wandervans
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    Quote Originally Posted by DelTaco
    why don't you just buy a bashring?
    Plus they will work a lot better and give you more clearance than a rounded big ring. The bash guard will be a lot less likely to be bent too...
    Live to ride!
    18 Cannondale Jekyll Carbon
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  7. #7
    Wandervans
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    Quote Originally Posted by flipnidaho
    I try to recycle old parts...
    I save mine for a wind chime...
    Live to ride!
    18 Cannondale Jekyll Carbon
    16 Diamond Back DB8

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  8. #8
    mtbr member
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    Quote Originally Posted by smilycook
    Plus they will work a lot better and give you more clearance than a rounded big ring. The bash guard will be a lot less likely to be bent too...
    It actually won't be used as a bashguard. It will be used as the outer chainguide in a 1X7, or 1X8 or 1X9 drivetrain...
    If I was going to get a true bashguard, it would be the Saint or I'd try to make my own out of some polycarbonate plate.

  9. #9
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    If you want, I will take it to work, and grind it down for you.

  10. #10
    Hi!!!
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    Gary & Jarrod ---

    I don't know what your folks schedule is like....but if you do want Jarrod to grind it down for you (trust me....he probably has all the machinery to do this available to him)....I can pick it up from Gary during my lunch ride on Thursday or Friday and then drop it off to Jarrod if he's working on Saturday.

    Errrr sumpin' like that......

  11. #11
    mtbr member
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    Quote Originally Posted by BelaySlave
    Gary & Jarrod ---

    I don't know what your folks schedule is like....but if you do want Jarrod to grind it down for you (trust me....he probably has all the machinery to do this available to him)....I can pick it up from Gary during my lunch ride on Thursday or Friday and then drop it off to Jarrod if he's working on Saturday.

    Errrr sumpin' like that......
    Hey Y'all...Thanks for the offer but I think I'll pick up a bench grinder from Home Depot or Harbor Freight this weekend. The cranks that I ended up winning is painted and I want to strip it and then polish it so I just found another excuse for a new tool!
    Thanks again y'all!!!

  12. #12
    ravingbikefiend
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    Old chainrings make good lightweight bash guards and can also keep you from getting the chainrings bloody if you crash...

    I've built quite a few and just used my bench grinder (with pretty good results) although I could also take them in to work and machine them or even make them from scratch.
    I ride with 65'er...he's a mountain goat....But then again, we need to throw him in the mud and pack his pockets with lead shot before a scale will read him. - Psycho Mike

    -Environmental stickers don't mean shite when they are stuck to CARS!-

  13. #13
    SLO,CA
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    Quote Originally Posted by flipnidaho
    I try to recycle old parts...
    Plus it looks cool and more creative.

  14. #14
    ravingbikefiend
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    My latest recycling project that I am really quite pleased with...

    I have since swapped the somewhat uncomfortable WTB saddle (I know...heresy) for my beloved old Velo which just happens to match the GT's GT grips.

    The frame (w/cranks) was hanging in the shop for quite some time until I snagged it, the wheels came off my SS (this bike is a fixie), and the other parts were scrounged from the bins at the shop.

    The biggest investment has been my own sweat and a little blood.

    I ride with 65'er...he's a mountain goat....But then again, we need to throw him in the mud and pack his pockets with lead shot before a scale will read him. - Psycho Mike

    -Environmental stickers don't mean shite when they are stuck to CARS!-

  15. #15
    mtbr member
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    i have a bench grinder and I use it ALL the time.

    +1 for getting the grinder
    I just don't understand my wife....she thinks its nuts to ride when the temperature is in the 20's....go figure

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