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Description
Forge 2 Piece Underbody Brace Kit - F5X | Gen 3 MINI (NLA)All parts whether purchased through Forge UK, Forge US, Forge Asia or one of our dealers, its life started at our headquarters in the UK. Forge has a long association with making performance parts for previous Minis and these are the latest for the Gen 3 Mini. The Underbody Brace kit was designed by our highly skilled Research and Development Team at Forge Motorsport UK HQ. Using the best software on the market we simulated structural tests on
All parts whether purchased through Forge UK, Forge US, Forge Asia or one of our dealers, its life started at our headquarters in the UK. Forge has a long association with making performance parts for previous Mini’s and these are the latest for the Gen 3 Mini.
The Underbody Brace kit was designed by our highly skilled Research and Development Team at Forge Motorsport UK HQ. Using the best software on the market we simulated structural tests on multiple designs to see which came out on top. Once the design was decided sample braces were machined and bolted onto the vehicle for testing. After weeks of extensive R&D we concluded that our design was far more superior than the OEM. Adding rigidity and support to the chassis and suspension.
Both braces are CNC machined at Forge UK HQ based in Gloucestershire, England from a single block of billet aluminum, it is the highest quality of 6000 series aluminum alloy. Following a quality control check they are anodized in the "Forge Blue" color to give it an aesthetically pleasing and elite look. We offer our Forge Motorsport Limited Lifetime Warranty on the material and manufacturing process of the braces. Due to the harsh environment of where they are fitted we cannot offer warranty on the anodized finish.
Forge managed to create a part that is incredibly simply to install and can even be fitted with the existing (OEM) bolts from the vehicle.
Highlights:
- Developed to increase strength and rigidity over the OEM.
- Precision CNC machined from a single billet of 6000 series Aluminum alloy.
- Supplied with a Blue anodized finish only.
- Designed in Forge's dedicated Research and Development Facility in Gloucester in the UK.
- Limited warranty on the material and manufacturing processes. Due to the harsh environment of where this part is installed the anodized finish is not warranted.
- Simple to install. Remove OEM braces and install Forge braces with existing bolts.
Founded in 1996, Forge Motorsport is a performance parts manufacturer that prides itself on the ideals of innovation, clever design, customer care, and making products of only the highest build quality.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1573 reviews
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Product Reviews
★★★★★ 3
Meh
Color: Black
It's ok. I got it because it looked like it has more cushion and might be more comfortable. Nope. It's the same comfort level as different chairs. My reer still goes numb and gets uncomfortable in this chair. Also, where your arms sit, the chair arms are slightly curved upwards and it causes my chair to be unable to fit under my desk. If they weren't slightly curved, that wouldn't happen. It's just another chair, nothing spectacular.
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Reviewed in the United States on June 13, 2026
★★★★★ 5
Perfect for work
Color: Grey
Great quality office chair. Easy to put together as there is minimal assembly required with easy to follow instructions. The chair has many sitting options. Makes for a perfect chair to use all day long. Its an ergonomic chair that allows you to adjust tilt tension, arm rest height, chair height, and allows to actually move arm rest upward and out of the way. You can swivel and sway and roll around with ease. Perfect chair for sitting all day. The head rest provides great neck support and the padding is very comfortable and supportive. The wheels are strong and the entire chair is sturdy. Quality material, The cushion is made with memory foam as well as comfort foam. Such a quality chair. This is a great value for the money. I would recommend to anyone that sits for any period of time for work or otherwise .
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Great chair for everyday use
I’m really happy with this ergonomic chair. It was easy to put together and feels very sturdy once assembled. The mesh back is breathable and keeps my back cool even after sitting for hours. The seat cushion is comfortable and supportive, and the armrests are positioned well for working at a desk. I also like how smoothly the wheels roll and how easy it is to adjust the height. For the price, the quality is honestly better than I expected. I’ve been using it every day for work and it makes long sitting sessions much more comfortable. Definitely a great value and I would recommend it.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Excellent quality, comfortable for 8+ hour days
Color: Grey, Color: Grey
Since the reviews here were so very helpful to me, I decided to leave my own after using this chair a couple days.
To summarize: Overall, I am thrilled with this chair and would recommend! I work remote, in a small apartment and this works well for both space saving and silence when rolling over hardwood floors all day. For more details, read on!
It came packaged very nicely, so everything was well protected during shipping. There are no written instructions and to be honest, I didn't even look for them. If you've put one together before, this is pretty standard. The "leather" (not genuine, but feels like it) is thick and seems it will be sturdy for a long time. The padding is exceptional and that's the main reason I needed a new chair, as mine (a 'basic' brand one, IYKYK) only lasted one year before it felt like sitting on a hard plastic seat. The height is adjustable to go up higher than most, so for once I didn't have to raise it all the way to feel comfy. The surprisingly great thing about it is the arms that flip up, so I can push it all the way under my desk. I live in a small apartment, so every bit of space saved is a bonus! Speaking of apartments, the wheels on this are whisper quiet and I'm more than certain the neighbor below me is thrilled to not hear my clunky wheels from the other chair anymore. I was hesitant to pay too much for an office chair, but given the price and the quality, I feel it was an excellent purchase.
A few items to note, if you have never put one together before: hand tighten the screws first! Don't put them on full force, until the pieces have been mostly assembled. This will help it not come out lopsided and the holes will be a little easier to line up. Watch the video, it will make the process a little easier (unlike what I did - put the arms on correctly, thought that looked wrong, then put them on backwards and lost my mind LOL). The video will also show how to recline the chair, if you like that (I do). It has a recline that's smooth as butter.
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Reviewed in the United States on March 11, 2026
★★★★★ 5
Very comfortable and safe chair
This executive desk chair is very convenient , for its 90° flip-up armrests can be easily pushed under the desk, perfect for home office. The rubber wheels roll smoothly and quietly on my carpet. It supports up to 275 pounds so it is safe to me . The height-adjustable back with 360° swivel makes me move freely . The curved, padded backrest provides relieve back pressure , also it is very easy to set up.
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Reviewed in the United States on February 22, 2026
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