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  1. #1
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    RFQ For a Mountain Bike part

    I need a somewhat small custom part made for a mountain bike. I may have to simplify the design to make it more cost effective. Any additional imput is welcome. Even if someone can do this by hand on a mill it should be ok.

    The main concern is allignment of the 4 holes. The 2 big cutouts and other fillets dont have to be exact. I have attached a zipped igs file. Material would be 6061 T6. I dont need this part right away either.

    FYI this is a disc brake adaptor for an AMP B3 frame to IS disc.

    Attached Files Attached Files

  2. #2
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    Bender , would like to quote yor part looks simple enough . the biggest cost would be fixturing setup. but still not that bad. always looking for custom parts to do.
    I work in the semiconductor machine trade on the weekends and have a bridgeport cnc at the house . please contact me ,and I will give you a quote
    Thanks Brad
    IF ITS NOT BROKE YOUR NOT TRYING HARD ENOUGH

    Ashes to ashes , dust to dust , If it wasnt for Harleys the fast lane would rust.

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  3. #3
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    .
    Quote Originally Posted by Bender
    I need a somewhat small custom part made for a mountain bike. I may have to simplify the design to make it more cost effective. Any additional imput is welcome. Even if someone can do this by hand on a mill it should be ok.

    The main concern is allignment of the 4 holes. The 2 big cutouts and other fillets dont have to be exact. I have attached a zipped igs file. Material would be 6061 T6. I dont need this part right away either.

    FYI this is a disc brake adaptor for an AMP B3 frame to IS disc.


  4. #4
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    Quote Originally Posted by broken003
    do you have any qutotes for this part? what kind of pricees did you get for this part? I'm always looking to help out a fellow mountain biker. Maybe I can make this a little more affordable than the others. It looks like the material alone will cost about $20. How much were you expecting to pay? I'll help if I can...let me know. you can email me directly at broken003@juno.com
    Yes I have about 5 quotes so far. I highly doubt it would cost $20 for a piece of 6061 T6 that small. I can get a piece big enough for under $4 and thats not even purchasing in quantity. Expecting to pay? Thats tricky, I dont want to throw around a ton of money but on the other hand I do need the part. I'll email you some more details and see what you think.

  5. #5
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    I was looking at www.metalexpress.net a 2.5"x2.5"x 1" piece is $15+ as I dont have material that size on hand, but if you can find it locally at a better deal then thats the way to go. maybe I have the dimensions wrong, thats about the size I calculated when I imported the file (which wasn't didnt import cleanly)

  6. #6
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    I have been looking at www.onlinemetals.com for what I need. I have purchased copper and aluminum there before. For only purchasing a small quantity the prices seem great. A 3" by 3" by .75" piece of 6061 T6 is about $4 currently.

  7. #7
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    I have someone making the part in a week or so. I'll post pictures when complete.

  8. #8
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    I just wanted to post a picture of the final product. I have had a chance to test it out on some very steep descents. I notice zero flex or performance loss from the brakes.

    Thanks a bunch for all who helped!


  9. #9
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    bender
    where did you find the isis specs for disc mounts ?
    mike

  10. #10
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    I found the IS standard online but I didnt need it. A guy on an MTB forum built a similar adaptor with hand tools so he had the dimensions for AMP Disc to IS.

  11. #11
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    Bender, did you convert from an existing amp Disk setup ? if so how is the Isis caliper better than the AMP cable operated caliper? Have you had to change shocks? Mine (b5) blew several AMP shocks until I replaced it with a Resse Air.

    Nice job by the way.. \

    Andrew

  12. #12
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    Hi Bender
    the part i did for you looks great! it is nice to see parts in their final application... cool

    glad you were happy with the 'service'

    Phil

  13. #13
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    I never had the AMP disc brake. Converting to IS ment that I can use about 99% of the disc brakes out on the market today. I chose formula B4 discs because they are very light and offer great modulation and stopping power. I bought my B3 frame from a guy who had it for 6 months and he had a Risse genesis shock on it. The oem shocks were good but prone to leakage.

    Here is my bike as of a month ago. I have since changed to a different carbon fiber crank and a scandium alloy bottom bracket.

    http://light-bikes.com/bikegallery/B...ing.asp?id=175

    Here is one of my 2 AMP B5 frames. Both have the carbon rear ends.


  14. #14
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    The company I just started working for, used to make carbon fiber bike frames. Here's a pic. http://www.fiberdynamics.net/products/sporting.html

    Not sure if they still make them though, as I haven't seen any.
    Dustin B.
    ================
    I hear and I forget.
    I see and I remember.
    I do and I understand.

  15. #15
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    As I see there are some bike enthusiasts on the zone, I was curious as to what the thoughts are on Cane Creek bike products. Any feedback would be appreciated.

    Thanks,
    Gunner

  16. #16
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    Nice job on that part, whoever made it.

  17. #17
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    Thanks
    Bender supplied an excellent solid file.. made it easy to cut

    Phil

  18. #18
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    did'nt know amp still made bikes.
    knew a few guys that had them but the general opinion was they were a bit soft
    for u.k. conditons
    crane creak stuff - headsets are okay but the shocks ...see above.
    mike

  19. #19
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    Re: RFQ For a Mountain Bike part

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