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Upgrading to 17in wheels?

Discussion in 'Prime Accessories and Modifications' started by Ajay21, May 4, 2017.

  1. Ajay21

    Ajay21 New Member

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    Thinking of upgrading my wheels to this BBS forged rims...what do you guys think?...14.3lbs lighter than stock..
     

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    quadturboprime likes this.
  2. quadturboprime

    quadturboprime Junior Member

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    You should do it!!! Is it really that much lighter though??
     
  3. Tideland Prius

    Tideland Prius Moderator of the North
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    14.8lbs lighter than the stock 17" or the stock 15"?

    That looks like a nice replacement (reminds me of the Wedsports...forgot the model... that was available on the Gen 2 Prius)
     
  4. a_gray_prius

    a_gray_prius Rare Non-Old-Blowhard Priuschat Member

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    Those RFs look a bit like the stock wheels Evo Xes came with. I have RAYS Eco drives on our Gen2 Touring, which are quite a bit lighter than stock, but they don't make nearly as much of a difference as tire choice. Some of the very low UTQG (e.g. very high grip) tires I have mounted on them have decreased MPG noticeably.
     
  5. martydallas

    martydallas Member

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    stock is 15" right? and if going to the 17" what does it do to the MPG and EV reporting on the car?
     
  6. JoePriusPrime

    JoePriusPrime Member

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    Hey AJ,

    I'm planning on doing the same thing upgrading to BBS SR 17s. Only cost $255 per wheel because it's not forged. The weight listed is 20lbs per wheel. Anybody know the stock OEM 15in wheel weight?
     
  7. a_gray_prius

    a_gray_prius Rare Non-Old-Blowhard Priuschat Member

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    The weight of the Gen2 Prius 15"wheels was about 14lb. I expect the prime wheels to be about the same.
     
  8. Mendel Leisk

    Mendel Leisk Senior Member

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    #8 Mendel Leisk, May 11, 2017
    Last edited: May 11, 2017
  9. JoePriusPrime

    JoePriusPrime Member

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  10. Mendel Leisk

    Mendel Leisk Senior Member

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    More than just weight I think.
     
  11. xliderider

    xliderider Senior Member

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    Definitely. Larger rims puts more rotational mass concentrated at the outer diameter of the wheel,which makes accelerating and slowing the wheel down more difficult than a wheel of similar weight that has the weight more evenly distributed toward the center. 17 inch tires typically weigh more than 15 inch tires, so yes, a lighter weight rim helps, but a 15 inch wheel/tire combo will always get better mpg than a 17 inch wheel/tire combo of equal combined weight.
     
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