The Canyon Deflectr is one of the most technically interesting trail helmets we've tested.
Instead of relying on a traditional rotational-impact liner, it uses Canyon's Release Layer System. The Deflectr comes with a Virginia Tech five-star safety rating and a long list of trail-ready features, all at a competitive price of £159.99.
On paper, it has everything needed to challenge the best mountain bike helmets.
After months of riding it back-to-back with the Lazer Impala KinetiCore, Giro Montaro Mips III and Specialized Ambush 3, however, it's become clear the riding experience doesn't quite live up to the impressive specification.
Big on innovation
The Canyon Deflectr is the helmet that looks most impressive on paper, especially once you factor in its asking price. It has serious safety credentials, excellent ventilation and some genuinely clever features.
The problem is the ride experience doesn’t quite match the promise of the spec sheet.
The key talking point is the RLS (Release Layer System) technology. Instead of using an internal slip liner, the Deflectr has external panels designed to release during certain angled impacts to help dissipate rotational energy.
The helmet has been awarded a five-star rating by Virginia Tech, plus it features a HighBar 1.5 fit system, three-position tool-free visor, front eyewear storage, rear goggle gripper and integrated mount for Canyon’s magnetic rear light.
At 411g in a size small, it isn’t especially light.
The coolest helmet in the test
On the trail, the Deflectr’s biggest win is ventilation. It’s the most breathable helmet of the group I tested, with impressive airflow even at slow speeds. Heat build-up was minimal on technical climbs and during harder efforts, and there’s plenty of airflow through the brow and main vents, which is helpful on warm rides.
The retention system is comfortable once adjusted. The HighBar dial is on the small side, but there’s enough thickness to grab hold of, and the ratchet clicks are clear.
Unlike on the Specialized Ambush 3, it didn’t create pressure at the back of the head, and the internal padding did a decent job despite being made from relatively thin foam strips.
Comfortable shell, awkward fit
However, the Deflectr sits slightly perched compared with the best-fitting helmets. That also affects how it looks, giving it a taller, less integrated profile than the tidier Specialized and Giro helmets.
It stayed put on rough descents, but it didn’t deliver the same wrapped-in confidence as the Giro or Lazer.
The straps are a bigger issue. The plastic bucket-like strap design sits away from your face, yet still feels tight under the chin, with the buckle pushing close to the jaw.
That choking sensation was hard to ignore and made the helmet less pleasant to wear than its otherwise comfortable shell and retention system suggest.
Plenty of thoughtful features
Feature-wise, there’s plenty to like. The visor is reliable, glasses fitted under it when needed and the front eyewear storage is useful.
However, the Deflectr is a reminder that safety specs and airflow aren’t everything. It’s cool, well-priced and technically interesting, but the awkward, uncomfortable strap and perched fit hold it back.
How we tested
We tested these helmets on a mix of enduro and trail bike rides across multiple locations in the Quantocks and the Forest of Dean.
Each lid was used for all-day rides as well as shorter test loops, giving us time to assess long-term comfort, fit, security, ventilation and how easy each helmet was to live with.
Conditions ranged from warm, sweaty climbs to cooler, wetter rides, so we could judge how well the pads, straps, retention systems and vents performed in typical UK trail conditions.
We also checked each helmet's stability on rough descents, visor adjustment, eyewear and goggle compatibility, buckle ease and general usability on the trail.
Helmets tested
- Specialized Ambush 3 helmet review
- Canyon Deflectr helmet review
- Giro Montaro MIPS III helmet reveiw
- Lazer Impala Kineticore helmet review
Canyon Deflectr bottom line
The Canyon Deflectr demonstrates how much a great specification can promise, but also how important fit is once you're out on the trail.
The class-leading ventilation, innovative safety design and competitive price make the Deflectr an attractive option, while the retention system is comfortable and easy to live with.
Unfortunately, the perched fit and awkward strap design undermine what is otherwise a very impressive package. If maximum airflow is your top priority, it's well worth considering, but I'd strongly recommend trying it on before buying because its fit won't suit every rider.
Canyon Delfectr specs
- Price: £159.99
- Weight: 411g, size S, measured
- Sizes: S (51-55cm), M (55-59cm), L (59-63cm)
- Safety rating/certification: CE EN1078 / Virginia Tech 5-star rating
- Other details: Front eyewear storage, rear silicone goggle gripper, integrated rear magnetic-light mount
