- (4) Wheels
- (4) Center Caps
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Mammoth Boulder Beadlock Style Black Wheel - 17x9 and BFG KM2 Tire 35x12.5x17 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Market Price $1,991.99
You Save 7% ($130.00)
Starting At
$1,861.99
+ $80.00 Handling Fee with FREE Shipping- Item J102274
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Add Road Hazard Protection
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Add TPMS Sensor
Mount & Balance - $60.00-75.00
Total Price with Options:
Ship to: Ashburn - 20149
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Mammoth Boulder Beadlock Style Black Wheel - 17x9 and BFG KM2 Tire 35x12.5x17 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
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Features & Details
- (4) 17x9 Matte Black Mammoth 4x4 Boulder Beadlock
- (4) 35x12.50R17LT BF Goodrich Mud-Terrain T/A KM2
- Mounting & Balancing Available
- Free Nitrogen Fill
- Optional 5th Wheel Available
- Fits 2007-2018 JK and JL Jeep Wranglers
- Road Hazard Protection Plan Available
Easy "One Click" Shopping. This wheel and tire combo kit features (4)17x9 Matte Black Mammoth 4x4 Boulder Beadlock wheels and (4) BF Goodrich Mud-Terrain T/A KM2 35x12.50R17LT tires that have been put together into an easy "one click" to buy combo kit. An optional (5) wheel and tire kit is also available, see drop down option above.
Recommended 5th Wheel Upgrade. When increasing the rolling diameter of your Jeep Wranglers tires it is recommended to upgrade your spare tire at the same time as the factory spare may be too small to be used. And besides a big meaty spare looks intimidating on the back of your Wrangler.
Matte Black Mammoth 4x4 Boulder Beadlock. Upgrade your JK and JL or JK and JLU with the Mammoth 4x4 Boulder Beadlock Style Black Wheel from ExtremeTerrain. This Mammoth 4x4 wheel features classic five spoke styling with an aggressive spin made to take on the trail. Specific to your Wrangler, it features a hub centric design to provide the reliability you need on the highway or off the paved path for a bold look no matter where your tire tracks end. Completed in a durable matte black powder coat for a rugged off road appearance, this Mammoth 4x4 features a polished lip with simulated bead locks to create a bold off road appearance. It comes complete with a matching Mammoth 4x4 center cap for complete aggressive styling whether you're on the trail or cruising the highway.
35x12.50R17LT BF Goodrich Mud-Terrain T/A KM2. BF Goodrich Mud Terrain T/A KM2 is the end all in off road capability. You'll never doubt traction on the trail with this tire's aggressive side wall lugs and self cleaning dual compound tread design. Your Wrangler will conquer climbs and pits and any obstacle with BF Goodrich's linear flex zone which allows this tire to conform to obstacles and grab the trail during aired-down crawling and driving. TriGard 3-ply construction and a chip resistant compound protect this tire from any trail hazards you run into, including cuts from rocks or boulders.
How do I keep my TPMS feature? The Tire Pressure Monitoring System is a safety feature on all 2007+ Jeep Wranglers that alerts you when your tire pressure drops to an unsafe limit. Aftermarket wheels do not have TPMS sensors. However, if you select 'Add TPMS Sensor Kit' for your specific year from the options listed above, we'll install the sensors in your new wheels for free!
Application. This 17x9 Matte Black Mammoth 4x4 Boulder Beadlock wheel and 35x12.50R17LT BF Goodrich Mud-Terrain T/A KM2 Fits 2007-2018 JK and JL Jeep Wranglers.
Recommended 5th Wheel Upgrade. When increasing the rolling diameter of your Jeep Wranglers tires it is recommended to upgrade your spare tire at the same time as the factory spare may be too small to be used. And besides a big meaty spare looks intimidating on the back of your Wrangler.
Matte Black Mammoth 4x4 Boulder Beadlock. Upgrade your JK and JL or JK and JLU with the Mammoth 4x4 Boulder Beadlock Style Black Wheel from ExtremeTerrain. This Mammoth 4x4 wheel features classic five spoke styling with an aggressive spin made to take on the trail. Specific to your Wrangler, it features a hub centric design to provide the reliability you need on the highway or off the paved path for a bold look no matter where your tire tracks end. Completed in a durable matte black powder coat for a rugged off road appearance, this Mammoth 4x4 features a polished lip with simulated bead locks to create a bold off road appearance. It comes complete with a matching Mammoth 4x4 center cap for complete aggressive styling whether you're on the trail or cruising the highway.
35x12.50R17LT BF Goodrich Mud-Terrain T/A KM2. BF Goodrich Mud Terrain T/A KM2 is the end all in off road capability. You'll never doubt traction on the trail with this tire's aggressive side wall lugs and self cleaning dual compound tread design. Your Wrangler will conquer climbs and pits and any obstacle with BF Goodrich's linear flex zone which allows this tire to conform to obstacles and grab the trail during aired-down crawling and driving. TriGard 3-ply construction and a chip resistant compound protect this tire from any trail hazards you run into, including cuts from rocks or boulders.
How do I keep my TPMS feature? The Tire Pressure Monitoring System is a safety feature on all 2007+ Jeep Wranglers that alerts you when your tire pressure drops to an unsafe limit. Aftermarket wheels do not have TPMS sensors. However, if you select 'Add TPMS Sensor Kit' for your specific year from the options listed above, we'll install the sensors in your new wheels for free!
Application. This 17x9 Matte Black Mammoth 4x4 Boulder Beadlock wheel and 35x12.50R17LT BF Goodrich Mud-Terrain T/A KM2 Fits 2007-2018 JK and JL Jeep Wranglers.
Fitment: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Details
Mounting & Balancing ExtremeTerrain offers professional mounting and balancing on all wheels and tires when purchased together on the same order for an additional fee. This will allow you to swap out your old wheels for your new set when they arrive.
- State of the Art On-Site Tire Facility
- Scratch Free Mounting Process
- Environmentally Friendly, Lead Free Wheel Weights
- Free Installation of TPMS Sensors When Purchased on the Same Order (2007+ Wranglers)
- 1 to 2 Business Day Turn Around Time on Most Orders
What is TPMS?The Tire Pressure Monitoring System (TPMS for short) is a factory installed safety feature on all 2007 and newer Jeep Wranglers that alerts you when your tire pressure drops to an unsafe limit.
How do I keep my TPMS feature?Aftermarket wheels do not come with TPMS sensors. However, if you select 'Add TPMS Sensor’ and your specific year range from the options listed above, we'll install the TPMS Sensors in your new wheels free of charge!
- Save Money! We sell TPMS Sensors and Sensor Kits at a fraction of the price of dealerships
- Free Installation of TPMS Sensors When Purchased on the Same Wheel and Tire Order
- Stay Safe - Keeps your Factory Safety Feature Intact
- No More Warning Light - Lose the annoying dash light that appears when your sensors are missing
For more Information, check out TPMS Sensor Kits in detail.
CA Residents: 
Warning: California's Proposition 65
- What's in the Box
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- Installation Info
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Installation Time: (approx) 30 Minutes
Difficulty Level:Simple installation for anyone
Installation Guides:
- Manufacturer:
- How to Install Mammoth Wheels on your Jeep Wrangler
- Tech Specs
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Wheel Specifications:
Manufacturer: Mammoth 4x4 Style: Boulder Beadlock Size: 17x9 Finish: Matte Black Backspacing: 4.7" (121mm) Offset: -6mm (-0.2") Load Capacity: 1521 lbs (690 kg) Bolt Pattern: 5x5" Weight: 23.1 lbs Material: Aluminum Tire Specifications:
Manufacturer: BF Goodrich Style: Mud-Terrain T/A KM2 Size: 35x12.50R17LT / 318/72/17 Tread Type: Mud Terrain Sidewall Color: Optional Black or White Max Load: 3000 lbs Weight: 66.8 lbs Tread Depth in 32nds: 20 - Will it fit my Wrangler?
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- JK Rubicon 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
- JK Rubicon 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
- JK Wrangler 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
- JK Wrangler 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
- JL Rubicon 2 Door - 18
- JL Rubicon 4 Door - 18
- JL Wrangler 2 Door - 18
- JL Wrangler 4 Door - 18
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Questions & Answers (9)
5 Top Rated Questions
Will the original “Jeep” center caps fit on this wheel?
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Unfortunately, the Mammoth wheels will only work with Mammoth center caps.
I have a two door Wrangler JL with P245/75R17 112T tires. The current rim is 17 X 7.5. Will theses tires fit on the Mammoth Boulder Beadlock Style Wheel - 17 X 9? (Irem J100635)
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Yes, a 245/75R17 will indeed fit on the 17x9 Mammoth Boulder Beadlock Style Black Wheel but a 265/70R17 is recommended.
Will this fit a 265/70/R17 121/118P 10 P.R. on a lifted TJ?
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These mammoth wheels are designed for the JK and JL platforms, and would require a wheel adapter. Though you would however be able to mount that size tire onto them.
Is the outer ring removable? I am curious if the OMF rock rings will fit. Thanks
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No, the ring on the Mammoth Boulder Beadlock Style Black Wheel is not removable.
What is the actual Backspacing for this wheel?
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The Mammoth Boulder Beadlock Style Black Wheel in 17x9" will have a backspace of 4.7"
4 More Questions
- What is the diameter dimensions of the center cap, both the flange and the insert? 1 answer
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Hello these center caps have an outside diameter of 2.55" and the the inserts have a diameter of 2.43".
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- Will a 35x12.5R17 fit properly on this? 1 answer
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A 35x12.50R17 would fit on the Mammoth Boulder Beadlock Style Black Wheel - 17x9 with no issues.
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- Will these fit on a stock 2014 JKU without any modifications? 1 answer
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Hello, on your 2014 JKU we would advise getting at least a leveling kit to make sure you wouldn't have any rubbing issues. You could go with this for example: http://www.extremeterrain.com/mammoth-leveling-kit-jk-j101068.html
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- Are these street legal? 1 answer
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Yes they are street legal.
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Customer Reviews (33) Write a Review
Overall Rating
out of 5 stars
no one in the world ever gets what they want, and that is beautiful
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5/5
June 28, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
amazin rims, great quality
great design and quality, also they were budget friendly
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5/5
June 26, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Good buy
Great looking wheels for the price. Spun them all first on the balancer and they were all true. They come with center caps.
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5/5
June 04, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
New wheels
Received 5ea. wheels well packaged. Fit and finish, simulated beadlock and black center spokes is excellent. My TPS from the OEM wheels were installed on the new wheels with 31570R17 KO2 mounted . Great looking and riding wheel and tire combo
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5/5
May 28, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Excellent!
Was a bit skeptical about the looks compared with similar styles wheels. But after these wheels were mounted, even the Jeep Dealership was excited. No pictures, including the catalog’s pictures do these wheels justice. The backspacing was perfect. Ya gotta see them for yourself. Glad I made that choice!
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5/5
May 16, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Better than expected!
These wheels are much better in person; absolutely love them. Wife wanted all black, but talked her in to these with the silver beaded trim. Great option. One of my favorite set of rims.
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5/5
May 10, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Completely changed the look, they look great!
I just got the 17x9's put on my Jk. With no lift, I put 285/70r17's and they great! I had one damaged in the first shipment, but the reps were very helpful in getting me another one quickly. I'd definitely recommend these!
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5/5
May 09, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
PERFECT!!!
The exact look we wanted!! The entire package we picked out and the service was excellent!!
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5/5
May 01, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Mammoth Boulder Beadlock Style Black Wheel
These look great on my Jeep. The offset helped with the slight rubbing I was having with 35" tires on stock rims. I suggest black lug nuts to go with wheels.
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5/5
April 27, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
50th Birthday Gift to Myself!
I been searching for rims that are stylish and not too expensive, so I placed order and they showed up earlier than I expected! Plus I perchased 2 sets for total of 10 17x9 Momoth rims with imitation bead locks ! 5 for my 2012 JK blk and silver w/ 35 inch tires and another for my friend Charcoal and silver for his 2014 JKURUBICON w/37 inch tires .
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3/5
April 20, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Nice wheel but poor shipping
Had to order these wheels and new tires little by little for budget reasons. Finally went to un box all five wheels and get them mounted and balanced, one of the wheels was broken in the box. 1. My fault for not checking immediately after purchase 2. How does a steel wheel get shipped broken and no one notice? Super disappointed by this as I am on a budget build. All the years purchasing from extreme terrain, American muscle and American trucks...was not expecting this.
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5/5
April 13, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
WOW!
ordered these wheels a month ago, couldn't be more impressed on the look they gave my JK.
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5/5
February 27, 2018
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Mammoth wheels
Extreme terrain was very friendly and courteous and the shipping was excellent had no complaints at all will continue to use them
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5/5
December 24, 2017
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Mammoth Beadlocks
Purchased 5- Mammoth beadlock rims for my Jk Jeep. I was surprised at the quick delivery, not to mention the rep on the phone made ordering such a breeze. Pricing was not an issue because I know Extreme Terrain, good stuff / fair prices. Rims are on and look great, I also purchased 1-1/2" spacers to give a wider stance to my jeep.
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5/5
November 08, 2017
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Wheels
The wheel and tire combo was exactly what I was looking well packaged for shipment shipped in a timely manner and look good on my jeep
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4/5
September 25, 2017
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Great Look w/ 2.5 Coil Spring Lift 35 Inch Tires
Wheels and tires look great. Added Goodyear 315/70R17 Duratracs to make the set. Mammoth kept it simple with the design. It not only looks good, but should be easy to clean with no hard to reach areas. One rim out of the five ordered had a very small dent. Extreme Terrain took it right back and shipped out another one. As soon as I gave it to UPS with Extreme Terrain's shipper information, Extreme Terrain sent out the new one before the damaged one was received by them. In the end, it was a spare so it really did not keep the vehicle from being driven.
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5/5
September 22, 2017
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Perfect
These rims are perfect for my 33-inch mud tires. Just put 1200 miles on my new rims and tires over the weekend, the ride was smooth.
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5/5
September 06, 2017
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Best looking rims
These rims are super eye catching on the Jeep. I still haven't seen any others I like more than these. They're durable and look awesome.
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5/5
July 11, 2017
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 and Mickey Thompson Baja MTZ 305/65-17 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Wheels
Great looking wheels! Nice combo with the Mickey Thompson tires.
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5/5
June 21, 2017
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
Boulder beadlocks
Good looking wheels!!! Completely changed the looks of my jeep.
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5/5
April 17, 2017
Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 and Mickey Thompson Baja ATZP3 265/70-17 (07-18 Jeep Wrangler JK; 2018 Jeep Wrangler JL)
WOW...been looking, reviewing and searching tires and tire packages for 5 months. Mixture of local shops and on-line. NOTHING compared to this wheel/tire package. They arrived within 5 days of placing the order. Compared to my stock wheels/tires, these are the ticket! I decided on 31's and I'm so happy...my Jeep looks like a completely different machine. They arrived individually boxed and were in perfect condition. I purchased a set of 5 with the TPMS sensors. Got that aggressive look I wanted, a bit of lift, a bigger width but still have that decent road ride! Again...I made the PERFECT choice!
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I’ve always loved Jeeps from a young age, after moving to Puerto Rico at the age 9 my uncle had a Cherry Red 73 CJ5 which I fell in love with. He would use that Jeep to ride up the mountains on his farm, I knew after seeing that Jeep I would have one. The fact that a Jeep can be so versatile in ever...
I’ve always loved Jeeps from a young age, after moving to Puerto Rico at the age 9 my uncle had a Cherry Red 73 CJ5 which I fell in love with. He would use that Jeep to ride up the mountains on his farm, I knew after seeing that Jeep I would have one. The fact that a Jeep can be so versatile in ever...
