Menu

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more ›

Best TroyLeeDesigns Bicycle Helmets

Explore premium TroyLeeDesigns bicycle helmets designed for mountain biking, featuring the Grail and FLOWLINE SE MIPS models for superior protection and style.

2 products

Select a Product

Click on a product from the list to view its details.

PRIME

ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Last update on . Affiliate links, prices, images, product titles, and highlights from Amazon Product Advertising API.

Pros

Cons

Key Features

User Reviews

Your review will be visible after approval.

Loading reviews...
Troy Lee Designs Flowline SE MIPS MTB Helmet - 5-Star Safety, eMTB Certified, Lightweight Trail Ride Protection

The Troy Lee Designs 2025 Flowline SE Helmet is a MIPS B32-equipped, eMTB-rated trail helmet with a five-star Virginia Tech safety rating and 14 vents for airflow. Trail and eMTB riders should buy it for its 375g lightweight design, full 360-degree fit system, and Fidlock magnetic buckle.

  • 5-star Virginia Tech safety rating delivers top-tier head protection on aggressive trails
  • MIPS B32 rotational system minimizes brain injury risk from impacts
  • eMTB and NTA-8776 certified for powered rides without compromise
  • 14 vents pull in cool air and expel heat for all-day comfort
  • Lightweight 375g build reduces neck fatigue on long descents

Exceptional safety with MIPS and 5-star rating. Highly ventilated for hot trail sessions. Adjustable fit and visor for custom comfort.

One-size-fits-most may require pad swaps for perfect fit. Screwless visor takes initial practice to adjust smoothly. Fewer vents than some premium full-face options.

Troy Lee Designs Grail MIPS Helmet - Lightweight MTB Gravel Cycling Helmet with Precision Fit & Ventilation

The Troy Lee Designs Grail is a mountain biking helmet with MIPS protection, 15 high-flow vents, and a precision fit system offering three height settings. Serious MTB and gravel cyclists should buy it for superior safety and comfort on demanding trails.

  • MIPS system reduces rotational impact forces for enhanced head protection
  • Precision fit with 3 height settings delivers custom comfort on every ride
  • 15 high-flow vents ensure optimal airflow to stay cool during intense efforts
  • Full wrap in-mold construction provides lightweight durability without bulk
  • Designed by racers with 40 years of experience for pro-level performance

Superior MIPS rotational impact protection. Excellent ventilation for hot rides. Adjustable fit system for personalized security.

Size limited to XS/SM in listed variant. No customer reviews available yet. Specialized for MTB/gravel, less versatile for road.

Whether you're tackling rugged trails or pushing limits on technical descents, TroyLeeDesigns bicycle helmets deliver unmatched protection and style for mountain bikers. This category showcases two standout models: the Grail Helmet for versatile all-mountain riding and the FLOWLINE SE Helmet MIPS for aggressive enduro and downhill runs. Renowned for transitioning from motocross roots to elite MTB gear, TroyLeeDesigns prioritizes innovative safety, premium materials, and head-turning designs that elevate your ride.

The TroyLeeDesigns Legacy in Bicycle Helmets

TroyLeeDesigns has built a reputation for crafting high-performance helmets that blend cutting-edge technology with artistic flair. Originating in the high-stakes world of motocross, the brand brings that same commitment to mountain biking, focusing on lightweight construction, superior impact absorption, and aerodynamic profiles. Their helmets stand out in the crowded bicycle helmets market for exceptional fit systems, extensive ventilation, and vibrant graphics that appeal to riders who demand both function and fashion.

What sets TroyLeeDesigns apart is their obsession with rider safety without sacrificing comfort. Each helmet undergoes rigorous testing to meet or exceed industry standards, incorporating features like multi-density EPS foam for energy management. As part of the broader helmets & accessories lineup in cycling, these models cater to serious enthusiasts exploring everything from cross-country trails to bike park adventures.

Key Features to Look for in TroyLeeDesigns Helmets

When shopping TroyLeeDesigns bicycle helmets, prioritize these essential attributes to match your riding style:

  • Safety Certifications: All models boast CPSC, EN 1078, and often ASTM F1952 ratings for downhill use, ensuring reliable head protection.
  • Ventilation: Generous airflow channels keep you cool during intense climbs and fast descents.
  • Fit System: Adjustable 360-degree retention dials provide a secure, customized fit for all head shapes.
  • Weight and Comfort: Ultralight polycarbonate shells paired with moisture-wicking liners reduce fatigue on long rides.
  • Advanced Tech: MIPS (Multi-Directional Impact Protection System) in select models like the FLOWLINE SE reduces rotational forces from crashes.

These features make TroyLeeDesigns a top choice within the cycling gear ecosystem, where durability meets everyday usability.

Grail Helmet vs. FLOWLINE SE MIPS: Choosing the Right Model

The Grail Helmet shines for all-mountain versatility, offering a low-profile design ideal for trail riders and XC enthusiasts. Its extended rear coverage protects the occipital area during bumpy sections, while 22 large vents ensure breathability for all-day pedaling. Weighing under 400 grams in many sizes, it's perfect if you value agility without bulk.

In contrast, the FLOWLINE SE Helmet MIPS targets enduro and DH riders with its robust shell and MIPS liner for enhanced brain protection against glancing impacts. Boasting even more coverage, including a reinforced chin bar area, it features 25 vents for airflow in demanding conditions. Slightly heavier but bombproof, it's the go-to for bike park sessions or high-speed lines.

Choose the Grail for lighter, faster rides or the FLOWLINE SE if your descents demand maximum security. Both exemplify TroyLeeDesigns' engineering prowess, outperforming many rivals like those from Giro bicycle helmets or BellSports in style and coverage.

Common Use Cases for TroyLeeDesigns Helmets

These helmets excel across MTB disciplines. The Grail suits progression riders hitting flowy singletrack or e-bike tours, while the FLOWLINE SE thrives in World Cup-level racing or lift-served parks. They're also popular for urban shredders transitioning to dirt jumps. Compared to broader options in sports & outdoors, TroyLeeDesigns helmets prioritize MTB-specific ergonomics, making them indispensable for safety-conscious cyclists.

Frequently Asked Questions

What warranty does TroyLeeDesigns offer on their bicycle helmets?

TroyLeeDesigns typically provides a one-year manufacturer's warranty against defects in materials and workmanship, with many retailers extending return policies for added peace of mind.

How does TroyLeeDesigns compare to other brands like Giro or Smith?

TroyLeeDesigns edges out competitors with superior aesthetics and moto-inspired durability, while matching MIPS tech and ventilation. Riders often prefer them for a premium feel over standard SMITH bicycle helmets.

Which model should I choose: Grail or FLOWLINE SE MIPS?

Opt for the Grail for trail and XC riding; select the FLOWLINE SE MIPS for enduro/DH where extra protection matters most. Consider your primary terrain and test fit in-store.

Are TroyLeeDesigns helmets suitable for all head sizes?

Yes, with multiple shell sizes and adjustable liners, they accommodate most adult heads. Always use the brand's sizing chart for the best fit.

What customer support can I expect from TroyLeeDesigns?

The brand offers responsive support via their website, including fit guides, replacement parts, and repair services, ensuring long-term satisfaction for loyal riders.