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  1. #1
    Join Date
    Jun 2017
    Location
    pa/md
    Posts
    52

    355/25 on a 12.5 x 21 wheel?

    355/25 on a 12.5 x 21 wheel?
    Anybody running this tire? Every tire I see is 325 where the sidewall is stretched and that looks lame to me. I like a squared-off sidewall. Running stock ride-height. Any issues? ADV.1 offset FWIW.

    Thx!

  2. #2
    Join Date
    Jun 2017
    Location
    USA
    Posts
    230
    Too wide you will rub at high speeds

  3. #3
    Join Date
    Jul 2017
    Location
    Vancouver
    Posts
    40
    I was thinking the same thing... but if ADV or other high end wheel vendors haven’t done it there must be a damn good reason. The Viper guys run a 345-355 tire lol

  4. #4
    Join Date
    Jun 2017
    Location
    pa/md
    Posts
    52
    Vendor is saying it'll work. Fly, have you experienced it first-hand?

  5. #5
    Join Date
    Mar 2017
    Location
    CA
    Posts
    73
    You will need modifications for a 255/25/21 to fit on a 21x12.5

    I have tried many combos....21x11.5 , 21x12, 21x12.5, and for tires I have tried 325/25/21, 325/30/21, and 355/25/21 (Pirreli) ( the 325/25 vs 355/25 is big difference. )

    If you do not want the stretch look on a 325/25/21 (21x12.5), but still want to use 21' you can run 21x11.5 or 21x12 to minimize the stretch with a 325/25/21.
    I also did not like the stretch on my 12.5 with 325/25/21 and if you run 21 inch tires, the selection for us is limited compared to 20's

    Having 21' in the rear is nice but tire selection sucks and you do notice the handling is not as great with 21 (even if the wheels are lighter or close in weight to oem).

    You have more tire selection with 20 in the rear and its safer for fitment.

    I have a set of 19/20 and 20/20 currently on order and will mess around with different combinations. will keep everyone updated
    2015 LP610-4: Signature Wheel / Morph Auto Design Aero
    2015 Cadillac Escalde ESV
    2014 BMW 750LI
    2012 Mercedes C250
    2009 Lexus ISF
    2002 Jaguar XJ8

  6. #6
    Join Date
    Jun 2017
    Location
    pa/md
    Posts
    52
    Thanks man. Makes sense being over an inch wider tread. Too bad but I appreciate it and look forward to hearing about your results.

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