SKU: 47271870884

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

Sale price$110.25 Regular price$122.50
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

Troy Lee Designs - D4 Composite Royalty MIPS Helmet (MTB)Troy Lee Designs D4 Composite Royalty MIPS Helmet (MTB) D4 Composite Royalty MIPS Helmet is a Troy Lee Designs mountain bike helmet built for gravity riders. 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 Royalty treatment gives this helmet a more individual feel than a plain solid

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

D4 Composite Royalty MIPS Helmet is a Troy Lee Designs mountain bike helmet built for gravity riders. 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 Royalty 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.

That combination of coverage and ventilation makes it a natural match for riders who move between trail networks, rocky descents, and bike-park days through the season.

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: It is easy to match to the rest of your kit and easy to live with between rides, which is exactly what most riders want from an MTB helmet.

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: 47271870884

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Teresa
Massapequa, US
★★★★★ 5
Worth it!
Exactly as described, fits 2 sizes of vial. Love the different colors, easy to use and keep my vials clean and safe in between uses. Totally worth the price!
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Reviewed in the United States on May 11, 2026
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Tammy
Whiting, US
★★★★★ 5
Great buy
Perfect fit for all sizes. Fit together nicely for easy storage.
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Reviewed in the United States on May 22, 2026
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Angie McDonald
Cuba, US
★★★★★ 5
Perfect fit
They are a rubbery flexible and fit just right in my back water and peppers.
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Reviewed in the United States on March 30, 2026
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Amber Di Falco
Dallas, US
★★★★★ 5
Excellent solution to prevent vial contamination.
Good fit. Helps keep my vials sealed and sanitary. Clean before and during each use to prevent issues. The large caps are a great fit on 10ml water vials and the small caps are a great fit on 3ml research vials. The price was good, the variety of size and color are nice. Overall no complaints to report.
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Reviewed in the United States on February 21, 2026
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Angela
Birmingham, US
★★★★★ 5
💯
Súper buenas y se puede lavar
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Reviewed in the United States on March 9, 2026

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