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Mammoth Boulder Beadlock Style Charcoal Wheel; 16x8 (07-18 Jeep Wrangler JK)

Item J100626
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$129.99 (each)

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Ship to: Ashburn - 20149
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Mammoth Boulder Beadlock Style Wheel
      • Aggressive Five Spoke Styling
      • Charcoal Powder Coat Finish
      • Polished Simulated Beadlock Lip
      • Hub Centric Design
      • One Piece Aluminum Construction
      • Fits 2007-2018 Jeep Wrangler JK Models


      Style and Substance. The Mammoth Boulder Beadlock Style Charcoal Wheel offers you an impressive upgrade over your factory wheels. With its charcoal finish and aluminum design, your Jeep Wrangler gets a wonderful combination of style and substance.

      Charcoal Finish. This Boulder wheel is completed in a durable charcoal powder coat and features a polished lip with simulated bead locks to create a bold off road appearance. It comes equipped with a matching Mammoth center cap for complete aggressive styling whether you're on the trail or cruising the highway.

      Aluminum Construction. Cast from aluminum, this wheel features a one piece design for superior strength without extra weight. Made to accommodate the variety of tasks your Wrangler takes on, this wheel's load capacity is 1521lbs.

      Application. This Mammoth Boulder Beadlock Style Charcoal Wheel fits all 2007-2018 Jeep Wrangler JK models including Unlimited and Rubicon models.

      Mammoth 4x4

      Fitment: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018

      MPN# J100626

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (92)

      Write a Review

      Ratings Summary

      4.9 out of 5 overall rating from 92 customers

      • December 18, 2019

        5 2015 Wrangler - JKAnvil

        Sarp Wheels

        2015 Wrangler JK 16" x 8" wheels with 265/70/16 Cooper AT3 These Boulder wheels in satin black are just super sharp. Not too much, not too little. They made a huge difference on my Jeep. I'll up grade the tires to 33's later, but even these 31's have a great look to them mow.

        Helpful (1)
      • December 18, 2019

        4 2009 Wrangler - KyleY

        Great tires and wheels (pre-assembly was iffy)

        Wheels and tires were great but two of five stems were loose and leaking. I would recommend having the local shop look everything over before mounting them.

        Helpful (1)
      • November 09, 2019

        5 2011 Wrangler - JamesS

        Love them

        My Jeep now has the stance it’s always wanted. Shipped without hastle although one wheel came a day later. A call to ExtremeTerrain alienated all anxiety about the delay. Found the staff at ExtremeTerrain we’re very helpful and figured out all the offset issues.

        Helpful (1)
      • October 27, 2019

        5 2016 Wrangler - PaulW


        Good packaging , when I open the box and notice the wheels actually look better than the picture , for less than $500 , really happy with that .

        Helpful (1)
      • October 01, 2019

        5 2008 Wrangler - EllieC

        Their mammoth alright

        If your looking for a wheel that will look awesome on your Jeep this is definitely the one. For the price you can’t beat it. Definitely would highly recommend them.

        Helpful (1)
      • June 24, 2019

        5 2017 Rubicon - ColinC

        Wheels look “sick”

        Since putting on the 16” wheel with 315 Nitto Trail grapplers I get lots of good comments. Recently ran Drummond Island, MI and the combination tire to wheel performed fantastically.

        Helpful (1)
      • June 20, 2019

        5 2016 Wrangler - chrissy


        Cant wait to put them on my Jeep.. They are beautious!!

        Helpful (2)
      • June 06, 2019

        5 2015 Wrangler - Chemfool

        Mammoth Wheels

        Great wheels at a great price. Fast shipping too! They look fantastic on my 2015 Jeep JK 2 Door.

        Helpful (2)
      • April 09, 2019

        5 2017 Wrangler - Bostonzero

        Great upgrade

        Love these wheels. They look a million times better than the stock wheels. Couldn’t be happier with them. I got them when they were on sale for a great price too!

        Helpful (2)
      • April 06, 2019

        4 2014 Wrangler - Harv

        Matching Color

        The color looks a lot better in person and they match my Jeep extremely well.

        Helpful (1)

      Questions & Answers (22 answers)

      5 Top Rated Questions

      what is the offset and/or backspacing of this wheel? does the 17" wheel have the same backspacing as the 16"

      • Hello, on the Mammoth Boulder Beadlock Style Black Wheel - 16x8 (07-17 Wrangler JK) the Backspacing is 4.5" (114mm) and the Offset is 0mm (0") the 17 inch wheel has a Backspacing of 4.7" (121mm) and Offset of -6mm (-0.2")

      Helpful (13)

      Where are these wheels made?

      • The Mammoth Boulder Black Wheels are made in China.

      Helpful (6)

      I would like to run 33" by 12.5" tires. can I do this with 16" rims? Is there any benefit between 16 / 17 with the same total height. (I like the look of smaller rim w/larger tire)

      • If your looking to run a 33x12.5R16 you would want to run a 305/70R16 tire. The benefit for running a larger tire is when airing them down for heavy off roading, and it can provide a softer ride feel on roads.

      Helpful (3)

      the rims on my 2017 jeep wrangler are 16 x7 if i change rims to 16x8 will i need new tires

      • You can visit the tire manufacturer's website to check what wheel size is appropriate for the tires you currently have.

      Helpful (3)

      Can I use my OEM lug nuts on these wheels?

      • The wheels can be used with the OEM lug nuts on the JK Wranglers.

      Helpful (2)
      10 More Questions
      Can these go with 255 75R 17 tires on my 18 jk 0 answer
      I have 265/70r17 tires. What size rim do I need a 16X8 or 17x9? 1 answer
      Does the 16x8 will fit a wrangler JL 2018 4 doors ? 1 answer
      Can I keep my 1.5” spacers installed if I use these wheels? 1 answer
      I have 285 75 R16 currently on my Jeep with no lift (yet). Will these work? 1 answer
      Hello, are these wheels compatible to a Jeep Liberty KJ? Thanks 1 answer
      You do not list wheel offset in your wheels section, like Quadratec does. This makes it hard to find a wheel!!! 1 answer
      I am adding a 2.5" Rough Country lift kit w/shocks to my 2017 wrangler. What size rim and tire do you recommend. 1 answer
      I am upgrading a 2012 JKU Sahara. I plan on having at least a 2.5" or higher Teraflex lift. I am trying to figure out wheels tires. I plan on adding 35x2.5xTBD tires. I also plan on adding an aftermarket big brake kit (likely Teraflex as well). Will the Mammoth Boulder Beadlock Style 16x8 wheels with a 35x12.5 tire allow for a big brake kit? 1 answer
      I have a 2017 JK with Terra Flex level kit. what is the widest tire I can fit on this rim 16x8? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Wheel
      • (1) Center Cap

      Tech Specs

      Wheel Specifications:

      Manufacturer:Mammoth 4x4Style:Boulder Beadlock
      Backspacing:4.5" (114mm)Offset:0mm (0")
      Load Capacity:1521 lbs (690 kg)Bolt Pattern:5x5"
      Weight:21.0 lbsMaterial:Aluminum

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