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Challenge Wheel specs

Discussion in '612/599' started by BVC500, Jun 17, 2009.

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  1. BVC500

    BVC500 Karting

    Feb 26, 2008
    61
    Washington, D.C.
    #1 BVC500, Jun 17, 2009
    What are the specs for the 20 inch Challenge-style wheels and tires on the 599 and 612? Thank you in advance for your help!
     
  2. ggetz

    ggetz Karting

    Dec 20, 2007
    150
    #2 ggetz, Jul 9, 2009
    Very interesting, as my Pentagram rears are 305/35/20 -- I'm surprised to read that the challenge rims take 285s...
     
  3. Exoticar Auto

    Exoticar Auto F1 Rookie
    BANNED

    Dec 17, 2004
    2,990
    Tampa Bay FL.
    Full Name:
    Exoticar Auto
    #3 Exoticar Auto, Jul 9, 2009
    Last edited by a moderator: Sep 7, 2017
  4. BVC500

    BVC500 Karting

    Feb 26, 2008
    61
    Washington, D.C.
    #4 BVC500, Jul 9, 2009
    Just noticed the replies. Thank you for the information and pictures!!
     
  5. Jon@Tezta

    Jon@Tezta Formula Junior

    Dec 5, 2003
    918
    Hong Kong / Jakarta
    Full Name:
    Jonathan
    #5 Jon@Tezta, Jul 10, 2009
    The 599 Challenge wheels should be 20x8.5 and 20x11
     
  6. Exoticar Auto

    Exoticar Auto F1 Rookie
    BANNED

    Dec 17, 2004
    2,990
    Tampa Bay FL.
    Full Name:
    Exoticar Auto
    #6 Exoticar Auto, Aug 11, 2009
    The fronts are 20x8 and the rears are 20x11
     
  7. SciFrog

    SciFrog Formula Junior

    Apr 9, 2008
    566
    USA
    #7 SciFrog, Aug 13, 2009
    These wheels would look perfect on my 612...
     
  8. johns930

    johns930 Formula 3

    May 9, 2005
    1,465
    #8 johns930, Oct 8, 2009
    so the 612 and 599 use the same size & spec challenge rims??? because the tire sizes are certainly different.
     
  9. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    39,195
    Clarksville, Tennessee
    Full Name:
    Terry H Phillips
    #9 tazandjan, Oct 8, 2009
    Last edited: Oct 8, 2009
    John- The fronts are the same width, but the rears are an inch wider in the 599. The only stock 599 wheels that are 8.5" in the front are the HGTE wheels. Still 11" wide in the rear. No idea on offsets.

    The optional tires on the 599 are 245/35 20 F, rears are 305/35 20 for standard and optional.

    612 optional tires are 245/40 or 245/35 19 F, and rears are 285/40 19 standard and optional, at least for the early cars. I only have a 2005 OM for the 612.

    Chris- Can you read the offsets on the back of the wheels for us?

    Taz
    Terry Phillips
     
  10. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    39,195
    Clarksville, Tennessee
    Full Name:
    Terry H Phillips
    #10 tazandjan, Oct 9, 2009
    Chris- Thanks. I am putting together a Word document with all the wheel info I can find on sizes, offsets, etc.

    Taz
    Terry Phillips
     

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