Head-to-head · Best Bike Helmets

Bell Formula LED MIPS Ghost vs Trek Velocis Mips

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Trek Velocis Mips comes out ahead by a narrow margin (4.6 vs 4.5). The gap is mostly about riders seeking maximum breathability and low weight for performance road cycling — read the strengths below before deciding.

Ranked #3 in Best Bike Helmets

Bell Formula LED MIPS Ghost

4.5

6 sources1 derived$83.97as of Oct 2

Consumer Reports awarded the Bell Formula LED MIPS Ghost an overall score of 86, praising its balance of safety and functionality. Cycling Weekly noted that the helmet provides a secure, head-hugging fit with excellent ventilation from its 19 vents, though they flagged its weight as a drawback compared to lighter competitors. 220 Triathlon highlighted how integrating the MIPS technology into the retention system maintains a low profile while offering multi-directional impact protection. This all-rounder is best suited for riders seeking high visibility and reliable safety features without breaking the bank, whereas those prioritizing ultra-lightweight performance might look elsewhere.

Strengths

— Integrated Mips slip plane reduces rotational forces while keeping weight and profile down by being built into the retention system.
— 20-lumen rear LED is unobtrusive, highly visible, and rechargeable via a micro USB port included with the helmet.
— Fusion In-Mold polycarbonate shell creates a sturdier, slicker, and more durable finish than standard helmets.

Watch-outs

— Weight is heavier than premium aero options, with sources citing figures between 285g and 303g depending on size.
— Straps may require cutting down to fit properly for some users despite having No-Twist Tri-Glides.

$83.97 · Check Price on Amazon Full review →

Higher ratedRanked #1 in Best Bike Helmets

Trek Velocis Mips

4.6

8 sources

The Trek Velocis Mips is an ultra-lightweight helmet that weighs as little as 240 grams in small size and earned a five-star safety rating from Virginia Tech Impact Lab. BikeRadar found the BOA fit system precise, though Engearment noted the rear dial mechanism feels delicate when folded away for storage. The design prioritizes ventilation with sixteen vents claimed to be thirty-eight percent cooler than its predecessor, but In The Know Cycling reported that sunglass storage is inconsistent and straps are long enough to twist awkwardly around the ears. This helmet fits riders seeking maximum breathability and low weight who can accommodate specific fit adjustments, while those needing universal eyewear compatibility or a simple strap setup should look elsewhere.

Strengths

— Weighs as little as 240 grams in small size, making it one of the lightest road helmets available.
— Features a single-lace BOA fit system with multiple adjustment points for precise and secure comfort.
— Delivers exceptional ventilation, claimed to be 38% cooler than its predecessor due to optimized channeling.

Watch-outs

— The rear BOA dial mechanism folds away when stored and feels delicate or prone to getting out of place.
— Sunglass storage is inconsistent, with only flexible eyewear holding securely in the rubberized vents.
— Straps are long and can twist awkwardly around the ears, requiring careful adjustment.

Buy at trekbikes.com Full review →

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Bell Formula LED MIPS Ghost

The Bell Formula LED MIPS Ghost distinguishes itself from the Giro Aries Spherical and Smith Signal by integrating a rechargeable rear LED for enhanced visibility, a feature absent in those models. While it offers robust safety via integrated MIPS, its weight of 285g-303g makes it significantly heavier than the ultralight Trek Velocis Mips (240g) and slightly heavier than the Smith Signal (256g).

Trek Velocis Mips

It utilizes a single-lace BOA fit system, which differs from the dial systems of the Giro Aries and Met Downtown, though reviewers note the rear dial can feel delicate.

Specs side-by-side

Spec	Bell Formula LED MIPS Ghost	Trek Velocis Mips
Weight	285g	240 g (Size S)
Ventilation	19	16
Safety Certification	US CPSC	Virginia Tech 5-Star
Fit System	Float Fit LED with MIPS	Single-lace BOA
Shell Material	Fusion In-Mold Polycarbonate	—
Safety Technology	MIPS Evolve	MIPS Air
Size	S, M, L	—
Visor	Integrated visor	—

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