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Troy Lee Designs · GP Mono · Troy Lee Designs GP Mono

Troy Lee Designs GP Mono Solid Red

VERIFIED TECHNICAL SPEC Dirt/MX DOT, ECE 22.06 Polycarbonate 1100g

Quick Facts at a Glance

Category Dirt/MX
Certifications DOT, ECE 22.06
Measured Weight 1100 g
Shell Material Polycarbonate
Head Shape Fit Intermediate Oval
Retention System Not verified
SAFETY & CERTIFICATIONS

Verified Safety Snapshot

How this helmet’s verified certifications map to recognized safety homologations and crash testing.

Certified Homologation ✓ DOT, ECE 22.06
Rotational Protection Not specified
SHARP Impact Score Not tested by SHARP
Retention Mechanism Not verified
Emergency Release System Not specified

Safety standards compliance is based on official manufacturer documentation and public safety laboratory test results. Always verify regional compliance labels on the physical helmet prior to use.

FIT & SIZING

Verified Fit & Sizing Guide

Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.

Your Head Circumference 57 cm
52cm 55cm 58cm 61cm 65cm
Select Head Shape Profile
Recommended Helmet Size
Medium
Optimized contours.
Perfect for standard intermediate head profiles.

How to measure

Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.

Design Concept & Background

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The Troy Lee Designs GP Mono helmet is engineered for riders who demand a perfect balance of performance, safety, and style on the dirt track. Built with a robust, high-impact polycarbonate shell, this helmet provides exceptional durability while maintaining a lightweight profile that reduces neck fatigue during long, intense riding sessions. Its advanced ventilation system features strategically placed intake and exhaust channels, ensuring consistent airflow to keep you cool and focused when the action heats up. The interior is lined with the advanced 3D Max-Dry system, which wicks moisture three times faster than standard materials, ensuring a dry and comfortable fit. Designed with an intermediate oval shape, the GP Mono offers a secure, ergonomic fit that accommodates a wide range of head shapes. Whether you are navigating technical trails or competing in high-stakes motocross, the GP Mono delivers the vision, protection, and aerodynamic stability required by professional and amateur riders alike. Experience the legendary Troy Lee Designs commitment to quality and innovation with a helmet that is as tough as the terrain you conquer.

Key Highlights:

Polycarbonate shell construction 3D Max-Dry system wicks moisture 3x faster Intermediate oval head shape Advanced channeling ventilation Removable and washable liner

Rider Profile & Intended Use

Riding Style Motocross
Helmet Category Dirt/MX
Internal Fit Shape Intermediate Oval
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Where to buy

Price History & Trends

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Product Concept & Specifications

Troy Lee Designs (United States)

Engineering & Technical Analysis

The Troy Lee Designs GP Mono Solid Red helmet features a polycarbonate shell, providing excellent impact resistance and durability. It offers a comfortable fit with its intermediate oval head shape and is designed for dirt/mx riding, with a focus on ventilation to keep the rider cool during intense activity.

Fit & Shell Structure

Intermediate Oval Shape

Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.

Shell Construction Polycarbonate Outer structural material
Measured Weight 1100 g (2.43) Approximate medium size weight
Warranty 1 Manufacturer coverage duration
Primary Use Case Motocross Optimized riding orientation

Safety & Certifications

Certification DOT Certified safety standard
Rotational Protection ECE 22.06 Mitigates rotational impact
Emergency Release Not specified Cheek pad quick removal
Retention Strap Double D-Ring Chin strap buckle style

Acoustics & Aerodynamics

Noise Level 95 dB Measured wind noise at speed
Ventilation 8/10 Airflow performance rating
Wind Tunnel Tested Not specified Optimized shell aerodynamics
Pinlock Anti-Fog Not included Anti-fog visor insert

Technology & Convenience

Comms Integration Generic Speaker Cutouts Intercom cutout availability
Glasses Friendly Not specified Inner lining eyewear grooves
Visor System Not verified Integrated drop-down sun visor
Removable Interior Not verified Washable lining modules

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Data Confidence & Verification Provenance

Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.

Manufacturer Source
Troy Lee Designs Official Specification
Safety Testing Agency
DOT, ECE 22.06 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-05-09