---
product_id: 184442293
title: "Troy Lee Designs D4 Carbon Full Face Bicycle Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women"
brand: "troy lee designs"
price: "Bs.13415"
currency: BOB
in_stock: true
reviews_count: 3
url: https://www.desertcart.bo/products/184442293-troy-lee-designs-d4-carbon-full-face-bicycle-helmet-max
store_origin: BO
region: Bolivia
---

# 24 ventilation ports 1000g lightweight MIPS safety tech Troy Lee Designs D4 Carbon Full Face Bicycle Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women

**Brand:** troy lee designs
**Price:** Bs.13415
**Availability:** ✅ In Stock

## Summary

> Ride with Confidence! 🏁 Elevate your cycling game with the D4 Carbon Helmet.

## Quick Answers

- **What is this?** Troy Lee Designs D4 Carbon Full Face Bicycle Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women by troy lee designs
- **How much does it cost?** Bs.13415 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/184442293-troy-lee-designs-d4-carbon-full-face-bicycle-helmet-max)

## Best For

- troy lee designs enthusiasts

## Why This Product

- Trusted troy lee designs brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy Maintenance:** Removable and washable Coolmax-Dri-lex liner for effortless cleaning.
- • **Light as a Feather:** Weighing in at just 1000 grams, this helmet won't weigh you down.
- • **Proven Performance:** Backed by 40 years of racing expertise from Troy Lee Designs.
- • **Ultimate Comfort Fit:** Choose from 3 shell sizes and 6 total sizes for a personalized fit.
- • **Unmatched Ventilation:** Stay cool with 24 strategically placed vents for maximum airflow.

## Overview

The Troy Lee Designs D4 Carbon Full Face Bicycle Helmet combines cutting-edge safety features with lightweight comfort. Designed for downhill racing and BMX, it boasts a carbon fiber shell, advanced MIPS technology, and an impressive ventilation system, making it the go-to choice for serious cyclists.

## Description

Troy Lee Designs D4 Carbon Full Face Bicycle Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women

## Features

- COVERAGE: Carbon fiber shell, EPP Collarbone impact system, chinbar shock pads. 1000 grams
- VENTILATION: 24 vents- 10 front intake ports, 5 overhead channeling intake vents, 7 rear exhaust ports
- COMFORT & FIT: 3 Shell sizes, 3 EPS sizes, 6 total sizes XS-XXL. Anatomical, quick release "3D” cheek pads
- CONVENIENCE: Removable, washable Coolmax-Dri-lex comfort liner. Super light titanium D-rings.
- Troy Lee Designs: 40 years of racing for the World's Fastest Racers. Corona, California

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Troy Lee Designs |
| Color | Black/Silver |
| Age Range (Description) | Adult |
| Size | Medium |
| Special Feature | Lightweight |
| Model Name | Troy Lee Designs D4 Carbon MIPS Helmet |
| Outer Material | Carbon Fiber |
| Vehicle Service Type | Mountain Bike |
| Recommended Uses For Product | Cycling |
| Item Dimensions LxWxH | 4 x 4 x 2 inches |
| Inner Material | Expanded Polypropylene, Expanded Polystyrene |
| Item Weight | 5 Ounces |
| Package Dimensions | 15 x 12 x 11 inches |
| Package Weight | 2.2 Kilograms |
| Brand Name | Troy Lee Designs |
| Suggested Users | unisex-adult |
| Number Of Items | 1 |
| Manufacturer | Troy Lee Designs |
| Part Number | 139437003 |
| Model Year | 2020 |
| Sport Type | Cycling |

## Images

![Troy Lee Designs D4 Carbon Full Face Bicycle Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women - Image 1](https://m.media-amazon.com/images/I/61GgizGw6xL.jpg)
![Troy Lee Designs D4 Carbon Full Face Bicycle Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women - Image 2](https://m.media-amazon.com/images/I/51hjYKquBqL.jpg)
![Troy Lee Designs D4 Carbon Full Face Bicycle Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women - Image 3](https://m.media-amazon.com/images/I/51SgUtRhk3L.jpg)
![Troy Lee Designs D4 Carbon Full Face Bicycle Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women - Image 4](https://m.media-amazon.com/images/I/51EAY5wjzfL.jpg)
![Troy Lee Designs D4 Carbon Full Face Bicycle Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women - Image 5](https://m.media-amazon.com/images/I/519RsRlrUZL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Will a medium helmet fit me I have a small head my hat size is 7 1/4**
A: Refer to the sizing guide.

**Q: Good day, is this black color mate or shine? Thanks**
A: I’d say satin. Not too matte, or too shiny.

**Q: Those it came with a bag? Like the one on the Troy lee desing website?**
A: Yes. The D4 comes with a very heavy duty bag.

**Q: Is this the carbon version or the composite?**
A: Carbon as the description states

## Customer Reviews

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Troy lee has cheaper out
  

*by F***  on Reviewed in the United States on August 28, 2023*

The d3 cabins came with ti screws for the visor m. Now they are palstic

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Fats shipping
  

*by F***. on Reviewed in the United States on September 23, 2022*

Love it!

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    My husband is obsessed
  

*by S***M on Reviewed in the United States on February 25, 2022*

My husband is all about Troy lee riding helmets and gear. But, he absolutely LOVES this helmet. He said it is very light and comfortable.

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**Shop now:** [https://www.desertcart.bo/products/184442293-troy-lee-designs-d4-carbon-full-face-bicycle-helmet-max](https://www.desertcart.bo/products/184442293-troy-lee-designs-d4-carbon-full-face-bicycle-helmet-max)

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-03-16*