Monarc's reverse-arch fork: Why it looks backward but works better

As of April 15, 2025, if you've spotted a Monarc Marker e-bike on the trail, there's a good chance you did a double-take. The fork appears to be installed backward – but that's exactly the point. Monarc's in-house Gneiss fork uses a reverse-arch design that shifts the brace from the front to the rear, a configuration that remains rare in the cycling world despite decades of proven benefits in high-end mountain biking and motorcycle suspension.

Why the backward look?
The Gneiss fork moves the arch – the structural bridge that connects the two fork legs – behind the wheel, opposite to what most riders expect. This is not a mistake or a styling gimmick. Monarc engineers deliberately chose this layout to improve mechanical performance on their flagship off-road e-bike.

Engineering advantages that matter
Relocating the arch to the rear allows the fork legs to be shorter and the overall structure stiffer, especially in the fore-aft direction. Greater fore-aft rigidity helps the front wheel track more precisely over rough terrain, reducing unwanted flex during hard braking or when hitting rocks and roots. Monarc claims these gains come without sacrificing weight – the Gneiss fork is actually lighter than many conventional designs of comparable travel. The fork delivers 80 mm of suspension travel, tuned for trail riding.

Cleaner rides, less debris
There's a practical off-road perk: with the arch behind the wheel, mud, sticks, and trail debris have fewer opportunities to jam between the tire and the brace. Riders who often battle caked-on mud on singletrack will appreciate this small but meaningful detail.

A design with history, now refined
Reverse-arch forks aren't new. They were originally patented by Manitou and appeared on premium mountain bikes years ago. When that patent expired, other brands began experimenting. Monarc is the first to bring a fully re-engineered, production-ready version to the e-bike market, taking the core concept and optimizing it for the higher loads and different geometry of electric bikes.

In-house development, not just a color swap
Monarc developed the Gneiss fork entirely in-house, giving its engineers control over materials, layup, and tuning. This stands in contrast to many e-bike brands that simply bolt on off-the-shelf suspension components. In an industry where "innovation" often means a new paint job, Monarc's fork represents a genuine attempt to rethink a fundamental part.

How it compares to other options
Traditional suspension forks place the arch forward to brace against torsional forces. But that location can create a longer lever arm, requiring more material to achieve the same stiffness. The reverse-arch design shortens that lever, allowing a lighter structure. Industry experts note that the trade-off is slightly more complexity in the steerer assembly, but Monarc's engineers have compensated with a reinforced crown design.

Who is this for?
The Monarc Marker is an off-road e-bike aimed at trail riders who want both performance and a conversation starter. The fork is not a retrofitted part – it's integral to the bike's identity. Monarc hasn't announced plans to sell the Gneiss fork separately, but the company has hinted at future applications.

Bottom line: not backward, just different
No, Monarc didn't install the fork backward. It chose a less common solution to a classic engineering challenge – one that improves stiffness, reduces weight, and keeps the front end cleaner. It's a nod to the kind of mechanical innovation that cycling enthusiasts love to debate, and it might just be the start of a broader trend in e-bike suspension design.