Most gravel bikes start life as a road or cyclocross frame with the geometry tweaked and the tyre clearance opened up a bit.
The Merida Silex took a different approach from the ground up, borrowing from modern mountain bike design with a long top tube, tall head tube and short stem.
The result is a bike that actually handles like it belongs off-road, confident and composed rather than nervous and twitchy when the tarmac runs out.
That design philosophy clearly works. A week before the second-generation Silex launched, Matej Mohoric won the 2023 Gravel World Championships on one. That's not a coincidence.
The aluminium frame on the Silex 400 is built with a lot of real-world riding in mind:
- Five bottle boss mounts so you can carry water, tools, or cages in multiple configurations
- Rack mounting points for panniers or a bikepacking setup, making it a genuine option for loaded touring
- Revised fork design that lets you swap to a suspension fork without upsetting the geometry
- Internal dropper post routing and compatibility with dynamo systems, so you can build it up however you need
- Hydraulic disc brakes with 180 mm rotors, flat-mount with chainstay-mounted calipers for better braking force distribution
If you've been looking at Merida bikes and want something that sits between a fast road bike and a proper off-road machine, the Silex is worth a close look. It handles loaded touring, long gravel days, and technical singletrack with equal composure.
One thing that often comes up with the Merida Silex 400 is weight. As an aluminium frame, it's sensibly specced rather than ultralight, but the geometry and ride quality more than compensate on anything other than a flat race course.
Unsure about fit? Our Merida bikes sizing guide and in-store advice will make sure you're on the right frame before you commit.