TROY LEE DESIGNS D4 Carbon MIPS Helmet - Crest Gold, 13901700
TROY LEE DESIGNS D4 Carbon MIPS Helmet - Crest Gold, 13901700
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Description
Description
TYD Helmet D4 Carbon MIPS - Crest Gold
- Mips® C2 Rotational Impact Brain Protection System
- UD carbon fiber shell
- Three shell sizes to more accurately fit a variety of head sizes and rider ages
- Anatomical "3D” contoured cheek pads with emergency release system for EMS responders
- Removable snap-in, washable comfort liner with Coolmax® and Dri-lex® moisture-wicking materials
- Super light titanium D-ring
- 1000g
- CPSC 1203*, CE EN1078*, ASTM F1952-DH, ASTM 2032-BMX. *Varies by regional standards
The D4 is the king on downhill podiums and at BMX events around the world. Available in carbon, composite and polyacrylite. It is the details that make the D4 the most sought-after full visor in mountain biking. The D4 focuses on safety while balancing weight with premium construction and materials and features Mips® protection with EPP chin bar and anatomical cheek pads with emergency release.
Technical Specifications
Technical Specifications
Video
Video
Shipping & Returns
Shipping & Returns
D4 Helmet Comparison
All three D4 models share the same safety DNA — Mips® C2 protection, anatomical 3D cheek pads, and emergency release. The difference is shell material, weight, and price.
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Mips® C2 |
Mips® C2 |
Mips® C2 |
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Yes |
Yes |
Yes |
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No |
No |
No |
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EPS |
EPS |
EPS |
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One Size System |
One Size System |
One Size System |
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Yes |
Yes |
Yes |
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1000 g |
1050 g |
1150 g |
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Titanium D-Ring |
D-Ring |
D-Ring |
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Carbon Fiber |
Composite |
Polyacrylite |
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Premium DH/BMX Racing |
Premium DH/BMX Racing |
Budget DH/BMX Racing |
Frequently Asked Questions
What sizes does the TLD D4 come in?
What sizes does the TLD D4 come in?
The D4 is available in XS, S, M, L, XL, and XXL. It uses three shell sizes (XS/S, M/L, XL/XXL) to ensure a precise fit for different head shapes. Measure around the widest part of your head, just above your eyebrows and ears, using a fabric tape measure.
What is the difference between D4 Carbon, Composite, and Polyacrylite?
What is the difference between D4 Carbon, Composite, and Polyacrylite?
All three share the same safety features — Mips® C2 protection, anatomical cheek pads, and emergency release system. The main differences are shell material and weight. Carbon is the lightest at 1000g, Composite is mid-range at 1050g, and Polyacrylite is the most affordable at 1150g.
Is the D4 suitable for BMX racing?
Is the D4 suitable for BMX racing?
Yes. The D4 is fully certified for both downhill mountain biking and BMX racing (CPSC 1203, CE EN1078, ASTM F1952-DH, ASTM 2032-BMX). It’s used by professional BMX and DH riders at the highest level of competition worldwide.
Can I wash the interior liner?
Can I wash the interior liner?
Yes. The comfort liner is removable, snap-in, and fully washable. It uses moisture-wicking materials to keep you cool and dry during rides. We recommend hand washing with mild soap and air drying.
What is MIPS and why does it matter?
What is MIPS and why does it matter?
MIPS (Multi-directional Impact Protection System) is a low-friction layer inside the helmet that allows slight rotational movement during an angled impact. This reduces rotational forces transmitted to the brain, providing an additional layer of protection beyond standard impact absorption.
How long does shipping take?
How long does shipping take?
Latvia: 1–2 working days via DPD. Baltic states: 1–3 working days. EU countries: 1–5 working days via FedEx. Worldwide: 3–9 working days via FedEx. Free shipping thresholds apply depending on your region.
