SKU: 81180175043

Troy Lee Designs - D4 Composite Optic MIPS Helmet (MTB)

Sale price$4849.65 Regular price$5388.50
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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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:
  1. 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
SKU: 81180175043

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MURMA82
Boise, US
★★★★★ 5
Frenchie approved
Flavor Name: Peanut Butter, Size: Small - 2 Pack
Perfect! My frenchie chews a lot. These keep her very busy instead of chewing on things id rather she didnt
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Reviewed in the United States on June 8, 2026
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Grade 4 Teacher, MA
Omaha, US
★★★★★ 3
Not for aggressive chewers
Flavor Name: Bacon, Size: Large - 2 Pack, Flavor Name: Bacon, Size: Large - 2 Pack
Three stars because my dogs love them. But in terms of “Indestructibility,” that’s completely inaccurate. One day in and the dogs have destroyed them, leaving jagged edges. The nylon pieces are coming out in their poop. These are definitely not for aggressive chewers. Probably best for a small dog with no teeth.
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Reviewed in the United States on May 27, 2026
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Katherine Gifford
Carnegie, US
★★★★★ 5
Best chews and made in USA
Flavor Name: Bacon, Size: Small - 2 Pack
Best dog chews and made in USA . My Dig likes to chew for a few before bed . Long lasting .
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Reviewed in the United States on May 30, 2026
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Jocelyn Kane
Charlottesville, US
★★★★★ 5
Stick replacement - But much more fun!
Size: For Large & Medium dogs, Color: beige, Size: For Large & Medium dogs, Color: beige
The Pet Qwerks Infused Nylon antler is a great replacement for a stick! My dog Rex loves to pick up sticks around the city and chew them to pieces and eat part of the bark, yet is just as excited about the infused Antler flying across the lawn to chew on. This Antler definitely has a strong scent when you take it out of the package, but for a picky dog like Rex, it is great to get his attention! We have several BarkBone products and my 80 pound dog has yet to chew through one! They are strong and reliable products. We love that Pet Qwerks products are made in America!
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Reviewed in the United States on June 12, 2018
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Juanita Mitchell
Boise, US
★★★★★ 5
Amazing
Size: For Large & Medium dogs, Color: beige
I ended up buying one for my granddogs. My boys which are tough on toys have had theirs two or three years. That means this is a high quality product
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Reviewed in the United States on April 16, 2023

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