Is it time to upgrade your lid and get yourself into a new premium-quality helmet? Are you in the market for the Troy Lee Designs SE4 Carbon Helmet? Keep reading to find out everything you need to know about this helmet before placing your order!

Video by Travis Brock

First and foremost, let’s talk about the price! The Troy Lee Designs SE4 Carbon helmet is in the $600+ range. This is definitely on the higher end of pricing for modern-day motocross helmets, but we’re here to show you exactly why it’s priced that way! So what makes this helmet so expensive? Troy Lee Designs has focused on 3 key points in the design of the SE4 shell: Safety, Weight, & Ventilation. As you can tell by the name of the helmet, the SE4 carbon is indeed made from a carbon fiber shell. Coming in at only 1325 grams, the SE4 Carbon is the lightest helmet TLD has produced to date, and is one of the lightest motorcycle helmets available on the market. This featherweight helmet features 6 top intake vents that feed 10 internal ports for maximum cool air induction. Add in 6 exhaust ports and 9 internal passages — you’ve got a super ventilated helmet that is perfect for riding even on the hottest of days!

We’ve talked about the weight and we’ve talked about the venting, but at the end of the day the most important feature any helmet can have is safety — so let’s jump into that! What has Troy Lee Designs done to make sure this particular helmet is considered a top contender in the modern-day world? Let’s start off small and make our way up to the bigger safety features. The screws that hold in the visor are made from a high-quality plastic with a brass insert designed to break away in the event of a crash. Internally, EPS foam is increased on the frontal lobe area and on the occipital lobe to help combat head trauma and injuries. On top of this, Troy Lee Designs has integrated the MIPS (Multi-directional Impact Protection System) brain protection system. It can be found between the comfort padding and the EPS (a high-quality foam used to reduce energy).

Injury statistics show that when you fall and hit your head, it’s most common to fall at an angle, compared to a linear fall. Falling at an angle creates rotational motion and science has shown that our brains are very sensitive to rotational forces. In an angled impact, these forces may transfer to your brain, which can cause severe injuries. The MIPS BPS can reduce the rotational motion and reduce the risk of brain damage.


In other words, the helmet shape and its internal features are designed to disperse energy and rotational forces to the brain, reducing the chance of any major head injury in the event of a crash. Believe me, nobody plans on crashing hard or smacking their head on the floor, but when and if you do, it’s nice to know you’ve at least got something specifically designed to help prevent an injury.

I’ve used the SE4 helmet line for the past 3 years and I’ve had zero complaints. I love the weight, the ventilation is amazing in the desert and at the track, and I truly believe in the head protection technology that is put into it. Do I think everyone needs the carbon? Absolutely not. Troy Lee Designs offers the SE4 in a Poly version and a Composite version, which share the same features as the carbon but are made from a different shell material. The main difference is going to be the weight, and the certifications found on the helmet. Poly and Composite versions are DOT and ECE certified, while the carbon is DOT and SNELL certified.

SE4 Helmet Size Chart

XS | 54-55

S | 55-56

M | 57-58

L | 58-59

XL | 60-61

XXL | 62-63

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