Mammoth Jeep Wrangler Boulder Beadlock Style Black Wheel - 17x9 and BFG KM2 Tire 35x12.5x17 J102274 (07-18 Jeep Wrangler JK)

Mammoth Boulder Beadlock Style Black Wheel - 17x9 and BFG KM2 Tire 35x12.5x17 (07-18 Jeep Wrangler JK)

35 Reviews 12 Answers

Market Price $2,183.07 You Save 12% ($251.15)

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Item J102274
MPN# J102274-A

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Set of 4 Set of 5

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- Tire Road Hazard Protection for Tires (+$119.96)
- None, thanks

Included Mount & Balance Mount & Balance - $60.00-75.00

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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)

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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 Jeep Wrangler JK Models
Road Hazard Protection Plan Available

Product Resources

Submit the first photo Customer Reviews (35) Questions (11) & Answers (12)

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 or JKU 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 Jeep Wranglers.

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

Mounting & Balancing 2007+ TPMS Info

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: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

What's in the Box

(4) Wheels
(4) Center Caps
(4) Tires

Installation Info

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

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

Customer Photos

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Questions & Answers (11)

5 Top Rated Questions

Will the original “Jeep” center caps fit on this wheel?

Unfortunately, the Mammoth wheels will only work with Mammoth center caps.

Helpful (1)

Will this fit my jl sport 4 door and the KO2 315 70 17 mopar 2” lift will i need wheel spacers

These will fit on your JL without wheel spacers yes.

Helpful (0)

Will the factory TPMS sensor work on these rims?

Yes, factory TPMS sensors can be transferred to these wheels.

Helpful (0)

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)

Yes, a 245/75R17 will indeed fit on the 17x9 Mammoth Boulder Beadlock Style Black Wheel but a 265/70R17 is recommended.

Helpful (0)

Will this fit a 265/70/R17 121/118P 10 P.R. on a lifted TJ?

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.

Helpful (0)

Not finding an answer? Ask your question! Post Your Question

6 More Questions

Is the outer ring removable? I am curious if the OMF rock rings will fit. Thanks 2 answers

No, the ring on the Mammoth Boulder Beadlock Style Black Wheel is not removable.
The outer ring on the Mammoth Boulder Beadlock Style Black Wheel will not be removable no.

Helpful (0) Show 1 more answer

What is the actual Backspacing for this wheel? 1 answer

The Mammoth Boulder Beadlock Style Black Wheel in 17x9" will have a backspace of 4.7"

Helpful (0)

What is the diameter dimensions of the center cap, both the flange and the insert? 1 answer

Hello these center caps have an outside diameter of 2.55" and the the inserts have a diameter of 2.43".

Helpful (0)

Will a 35x12.5R17 fit properly on this? 1 answer

A 35x12.50R17 would fit on the Mammoth Boulder Beadlock Style Black Wheel - 17x9 with no issues.

Helpful (0)

Will these fit on a stock 2014 JKU without any modifications? 1 answer

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

Helpful (0)

Are these street legal? 1 answer

Yes they are street legal.

Helpful (0)

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Customer Reviews (35) Write a Review

Overall Rating

4.9

out of 5 stars

Finish 4.872789 4.9
Appearance 4.961905 5.0
Quality 4.82585 4.8
Bang For Your Buck 4.872449 4.9

no one in the world ever gets what they want, and that is beautiful

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5/5
November 21, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

Impressed and Excited

Wheels look absolutely great. Need to wear off the current rubber before I can mount these with new tires, but the wheels were a nice birthday gift and look great in the garage. And talk about incredible fast shipping. From order to delivery was 2 days.

AdamC

Year: 2016Submodel: Rubicon

Helpful (4) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
October 19, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

Awesome Wheels

Assuming these hold up well, I really like them - just got them on my jeep and they look great. Seem solid, and not too heavy. Using them on my black 2 door JK. Will update if I have any issues.

BrianH

Year: 2014Submodel: Wrangler

Helpful (2) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
June 28, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

amazin rims, great quality

great design and quality, also they were budget friendly

CesarV

Year: 2015Submodel: Wrangler

Helpful (3) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
June 26, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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.

EdF

Year: 2010Submodel: Wrangler

Helpful (3) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
June 04, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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

RonR

Year: 2016Submodel: Wrangler

Helpful (3) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
May 28, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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!

HankW

Year: 2018Submodel: Wrangler

Helpful (4) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
May 16, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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.

RyanS

Year: 2018Submodel: Wrangler

Helpful (3) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
May 10, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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!

CS

Year: 2014Submodel: Wrangler

Helpful (4) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
May 09, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

PERFECT!!!

The exact look we wanted!! The entire package we picked out and the service was excellent!!

KeithC

Year: 2011Submodel: Wrangler

Helpful (3) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
May 01, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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.

TimS

Year: 2016Submodel: Wrangler

Helpful (3) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
April 27, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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 .

TroyS

Year: 2012Submodel: Wrangler

Helpful (3) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
3/5
April 20, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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.

MatthewP

Year: 2014Submodel: Wrangler

Helpful (4) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 2
  2
- Bang for your Buck 4
  4
5/5
April 13, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

WOW!

ordered these wheels a month ago, couldn't be more impressed on the look they gave my JK.

JoshuaG

Year: 2015Submodel: Wrangler

Helpful (3) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 4
  4
- Bang for your Buck 5
  5
5/5
February 27, 2018

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

Mammoth wheels

Extreme terrain was very friendly and courteous and the shipping was excellent had no complaints at all will continue to use them

EdwardT

Year: 2015Submodel: Wrangler

Helpful (4) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
December 24, 2017

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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.

Joe55

Year: 2011Submodel: Wrangler

Helpful (3) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
November 08, 2017

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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

TaylorD

Year: 2007Submodel: Wrangler

Helpful (3) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 3
  3
4/5
September 25, 2017

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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.

GaryR

Year: 2012Submodel: Wrangler

Helpful (2) Thanks for your input!
- Finish 4
  4
- Appearance 4
  4
- Quality 4
  4
- Bang for your Buck 4
  4
5/5
September 22, 2017

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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.

NovaSaigo

Year: 2016Submodel: Wrangler

Helpful (5) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
5/5
September 06, 2017

Review from Mammoth Boulder Beadlock Style Black Wheel - 17x9 (07-18 Jeep Wrangler JK)

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.

ChristinaC

Year: 2016Submodel: Wrangler

Helpful (3) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5
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)

Wheels

Great looking wheels! Nice combo with the Mickey Thompson tires.

TerryM

Year: 2010Submodel: Wrangler

Helpful (2) Thanks for your input!
- Finish 5
  5
- Appearance 5
  5
- Quality 5
  5
- Bang for your Buck 5
  5

Meet Our Team

Jim H, 2010 Jeep Wrangler JK Web Development
My dad would always take me trail riding in the Pine Barrens as a kid when I lived in South Jersey, so I’ve always been into four wheel drive trucks and Jeeps. When the time came for me to get a vehicle, I picked up an old Cherokee. I still have that old Jeep strictly for offroading, but after a few...

Mammoth Boulder Beadlock Style Black Wheel - 17x9 and BFG KM2 Tire 35x12.5x17 (07-18 Jeep Wrangler JK)

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$1,931.92

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