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Description
Troy Lee Designs - D4 Composite Optic MIPS Helmet (MTB)Troy Lee Designs D4 Composite Optic MIPS Helmet (MTB) D4 Composite Optic MIPS Helmet is a Troy Lee Designs mountain bike helmet built for mountain bikers who want full time confidence. The D4 platform is known for downhill focused coverage and a locked in feel when the terrain gets steep and fast. The composite build gives it a balanced mix of feel, durability, and value for regular riding. The Optic treatment gives this helmet a more individual feel
Troy Lee Designs - D4 Composite Optic MIPS Helmet (MTB)
D4 Composite Optic MIPS Helmet is a Troy Lee Designs mountain bike helmet built for mountain bikers who want full-time confidence. The D4 platform is known for downhill-focused coverage and a locked-in feel when the terrain gets steep and fast. The composite build gives it a balanced mix of feel, durability, and value for regular riding. The Optic treatment gives this helmet a more individual feel than a plain solid option. The MIPS-equipped build adds another layer of confidence for riders who prioritize modern helmet technology.
It carries the kind of mountain bike fit that feels settled when speeds rise, but not so heavy or cumbersome that it becomes a distraction on the pedal back up.
Why We Like It: it fits the way a modern MTB helmet should: secure, ventilated, and ready for real terrain.
Why It’ll Work for You: This is a strong pick when you want a mountain bike helmet that feels at home on everything from rough local descents to destination riding.
Variants / Options: multiple sizes and colorways available; check the selector for current stock.
Key Features:- Always Evolving. Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips® C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static® and XT2® anti-microbial/anti-odor padding keep the inside of the helmet a much nicer place to be.
- Mips® C2 Rotational Impact Brain Protection System
- 20 high-flow intake and exhaust ports for maximum ventilation
- Added EPS and new headform shape for improved impact performance
- Full incremental sizing for greater range of fitment
- Strategically placed interior chinbar shock pads for comfort and durability
- Quick-release and contoured 3D cheek pads for emergency helmet removal
- Purpose-built internal cavities for audio integration
- Stainless steel chinstrap D-rings are light and strong
- Includes TLD drawstring helmet sock
- Exceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11
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
4.4 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 1
Misleading description on the title- doesn’t height adjust with the stand provided
Produce is good before the title of the description awful.
There is no height adjustment with out buying a separate mount
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Reviewed in the United States on October 27, 2025
★★★★★ 5
very useful
Now that I have had the monitor for a while it is great the picure is sharp and my FPS went up a lot in all of my games. The one thing I did notice is I have to move my mouse farther than my old 32 inch because of the wide screen.. My vids and movies are so clear and sharp I can see every little detail man is it great to watch thing with the 36 inch monitor. I would recommend this monitor to any one who is in to gaming or making videos 180Hz is a good set up for the price
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Reviewed in the United States on August 22, 2025
★★★★★ 5
Excellent monitor, return of first defective one was a breeze.
The first monitor that I received displayed tearing, flickering, and artifacts at 144hz refresh, using an RTX5080 Nvidia graphics card when playing Il2-Sturmovik at highest graphic settings. I thought I would give Crua another chance and requested a replacement. Amazon sent me a new monitor immediately which arrived 2 days later. I simply swapped out the screen and returned the defective monitor in the box the replacement was sent in. It was painless.
I have had the new monitor for a couple of weeks and it has been flawless. Great color, sharp image, no dead pixels, stable at 160hz refresh. I cant vouch for its longevity yet, but I will give an update after 6 months or so.
Otherwise, this is the best monitor for the money that I have found in its class, and has made an impressive improvement to my setup.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Surprising quality, great for work
Size: 34 Inch, Size: 34 Inch
I know this is advertised as a gaming monitor, but I decided to get a large, wide monitor for long work hours to replace my two 27 inch monitors. It has just enough width that you can easily split the screen and work side-by-side. It is genuinely helped my neck pain since my posture is staying straight. There is no lag in the monitor and it has a pretty good design. Nice and thin, sleek. The amount on the back of it was a little strange, but I figured it out. The only thing I don’t like about this monitor is you cannot adjust the height up and down and it does not tilt but for the price I can live with that. It does give you the option to mount on a wall, which is nice. This might be a me problem, but it didn’t want to register with my thunderbolt docking station. I ended up needing to plug it directly into the laptop, which is an ideal. Haven’t figured out if that’s the monitor operation or if I need to connect it in a different way. Overall, this is a great value for the money.
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Reviewed in the United States on April 2, 2026
★★★★★ 3
Very poor delivery and unboxing experience
Size: 34, Size: 34
2/12/26 Shipping was beyond poor. Amazon packaged this in a oversized box with no padding. Monitor box inside was damaged, but product seems ok. I was initially going to return and left a scathing feedback review for amazon delivery being beyond poor, when I requested a call there service kept hanging up on me. Shame on you Amazon, unfortunately I am removing one star for that. Now onto the real review...
Monitor is sharp with no dead pixels, however the protective film is weird. So weird I thought I had received a used product, when I went to peel the film the sticker ripped and I had to carefully inspect to discover there was actually film and not someone pulling one over on amazon on a return. One star removed for that horrible film experience, it was very jarring. There is no height adjustment only tilt, which is fine nothing unexpected there. Stand is actually quality and is a Metal Injection Molding (MIM) material which is impressive for the price, not weighted plastic like some of the higher end brands. I like that there is no horrible blue light signaling the monitor is on, but that can be a turn off for some as the black levels of monitor can confuse someone into thinking it is not working. However if you are a photographer or a gamer this is a huge plus. Kudus to CRUA for doing that.
I will update review upon testing to see if product needs less stars or if amazon wants to chime in on their part in this experience to add stars back. CRUA get on amazon so you can be a solid 4 stars! At this point I would recommend, but beware the film.
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Reviewed in the United States on February 12, 2026
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