Global Helmet Intelligence Platform
Helmetsan

Troy Lee Designs · GP Mono

Troy Lee Designs GP Mono Street TC-3

VERIFIED TECHNICAL SPEC Dirt/MX DOT, ECE 22.06 Polycarbonate 1100g
Troy Lee Designs GP Mono Street TC-3
Troy Lee Designs GP Mono Street TC-3
Troy Lee Designs GP Mono Street TC-3

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

""

Troy Lee Designs GP Mono Street TC-3 is a high-performance Dirt/MX helmet engineered by Troy Lee Designs to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.

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
Price tracking active across international retailers.

Where to buy

Best price $178.95 Amazon (US)

Price History & Trends

ℹ️ Helmetsan is an independent motorcycle safety & decision engine. When you check prices or purchase via retailer links, Helmetsan may earn an affiliate commission at no additional cost to you.

Product Concept & Specifications

Troy Lee Designs (United States)

Engineering & Technical Analysis

Die Troy Lee Designs GP Mono Street TC-3 verfügt über einen Polycarbonat-Schädel, der hervorragende Schutzeigenschaften bietet. Sie bietet einen bequemen Sitz mit anpassbaren Wangenpolstern und einem atmenfähigen Ventilationsystem zur Reduzierung von Nebelbildung und Wärmeaufbau. Das mittlere ovale Kopfform passt sich einem weiten Bereich an. Dieses Helmmodell erfüllt die Sicherheitsstandards für Dirt- und Motocross-Fahren.

Fit & Shell Structure

Intermediate Oval Shape

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

Shell Construction Polycarbonate Outer structural material
Measured Weight 1100g (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

Compare & buy

Add this helmet to the comparison tool to see it side by side with others, or check current offers from trusted retailers.

Add to compare
Check Price — $178.95

User Reviews

NO VERIFIED RIDER REVIEWS YET

Be the first to share your riding experience with this helmet.

5 stars
0
4 stars
0
3 stars
0
2 stars
0
1 stars
0

No reviews yet. Be the first to share your experience with this helmet!

More from Troy Lee Designs

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
2026-06-12