Light weight wheels

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  • Vishnu
    #1

    Light weight wheels

    So my project is.......doing....
    Sittin in a garage ssslllloooooooowwwwly coming together.

    I was wasting time on ebay looking at gsxr front forks (2008-2010) and I noticed that they have a 6 bolt pattern on their front rotors.


    I called Carrozzeria and asked about the bolt pattern. 120mm. hmmm same bolt pattern as the drive hub flange for all the Suzi shaft bikes..... using one of their light weight wheels would shave about 15# over stock. Sans bearings their wheels weigh 7# thats just the rear rim, with a gsxr front end it could be upto 30# of weight saved...

    I am wondering if it would be possible to;
    a) bolt the flange directly to the wheel (remove pins as they are threaded in)
    b)widen the swing arm to accommodate the wheel. I think this would be required. IF bolting onto to outside of the rim, the spline to rim ratio is now moot, as the splines would be sitting on the outside of the rim width vs the inside of the rim width.
    c) adding a second u joint to the drive shaft to deal with new angle of the drive shaft.
    d) mono shock conversion

    Thoughts?
    Tags: None
    • Big T
      Forum LongTimer
      Past Site Supporter
      Super Site Supporter
      • Mar 2005
      • 12387
      • West Slope, OR
      #2
      You forgot the bearing and mount for the angled shaft drive and you'd have to lengthen the drive shaft

      Seems like you'd have to add on as much weight modding the swingarm and drive shaft as you'd lose in the wheel.

      Better to just get a chain drive bike
      1978 GS 1000 (since new)
      1979 GS 1000 (The Fridge, superbike replica project)
      1978 GS 1000 (parts)
      1981 GS 850 (anyone want a project?)
      1981 GPZ 550 (backroad screamer)
      1970 450 Mk IIID (THUMP!)
      2007 DRz 400S
      1999 ATK 490ES
      1994 DR 350SES

        Comment

        • Steve
          GS Whisperer
          • Jun 2005
          • 35924
          • southwest oHIo
          #3
          Originally posted by Vishnu
          Thoughts?
          Sorry, my thoughts were that you are assuming that we all know "your project" intimately.

          If you hadn't mentioned the shaft drive, most of us wouldn't have the slightest clue what bike you are talking about.

          Actually, we still don't, other than the fact that it's a shafty.

          .
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          #2 son: 1980 GS1000G
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            Comment

            • Vishnu
              #4
              Originally posted by Big T
              You forgot the bearing and mount for the angled shaft drive and you'd have to lengthen the drive shaft

              Seems like you'd have to add on as much weight modding the swingarm and drive shaft as you'd lose in the wheel.

              Better to just get a chain drive bike

              I'm not much on engineer, these are just thoughts...

              So Big T, what kind of bearing and mount would be required?

                Comment

                • salty_monk
                  Forum LongTimer
                  GSResource Superstar
                  Past Site Supporter
                  Super Site Supporter
                  • Oct 2006
                  • 14001
                  • London, UK to Redondo Beach, California
                  #5
                  Originally posted by Vishnu
                  I'm not much on engineer, these are just thoughts...
                  In which case my thought would be that you should forget it before you kill yourself...
                  1980 GS1000G - Sold
                  1978 GS1000E - Finished!
                  1980 GS550E - Fixed & given to a friend
                  1983 GS750ES Special - Sold
                  2009 KLR 650 - Sold - gone to TX!
                  1982 GS1100G - Rebuilt and finished. - Sold
                  2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

                  www.parasiticsanalytics.com

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