Merida SILEX 700

About the Merida SILEX 700

The SILEX 700 is Merida's aluminium answer to the question nobody quite asked but plenty of riders needed answering: what happens when you take mountain bike geometry, gravel tyres, and a frame that'll carry everything short of a kitchen sink, then point it at fire roads, bridleways, and the occasional stretch of tarmac linking them together? You get a bike that feels less like a road bike on a diet and more like a hardtail that's discovered the joys of drop bars and a front end that doesn't punish you for looking at the horizon.

Built around a LITE II aluminium frame with smooth-welded tubes and a second-generation design that's learned from the original SILEX's adventures, this iteration swaps the twitchy, head-down posture of race-bred gravel bikes for something altogether more composed. The long top tube and short stem arrangement borrows directly from trail bike playbooks, and the result is a front end that tracks through ruts and over washboard without the constant wrist-jarring corrections you'd expect from a more traditional gravel setup. It's not trying to win crits; it's trying to get you home after a day that started with a plan and ended somewhere entirely different.

For 2026, Merida has spec'd the 700 with a Shimano GRX 2×10 drivetrain - a shift from the previous year's 1×12 setup - and Reynolds G30 wheels wrapped in Maxxis Rambler rubber at 700×45C. The frame clears up to 47C if you're feeling ambitious (42C with mudguards), and there are five sets of bottle bosses, rack mounts, and enough real estate for frame bags that won't snag on exposed cables thanks to WIRE PORT internal routing. The carbon fork is tapered, ready for a dynamo hub, and designed so you can swap in a suspension fork later without throwing the geometry into chaos. It's a bike that wants to go places, and it's built to carry what you'll need when you get there.

Merida SILEX 700 geometry

The SILEX 700 sits you upright enough to see what's coming but not so tall that you're catching wind like a sail. The 69.5-degree head angle is slacker than most gravel bikes dare, and paired with a longer wheelbase it means the front wheel stays planted when the surface turns to marbles or corrugations. You're not diving into corners with the same urgency as a race bike, but you're also not white-knuckling through descents wondering if the front end will hold.

Reach grows steadily across the size run - 370 mm on the XS through to 430 mm on the XL - but stack climbs in step, so you're not stretching into an aggressive tuck as the frame grows. The short stem (80 mm across all sizes) keeps the steering responsive without being nervous, and the longer top tube means your weight sits further back, which is exactly where you want it when the trail tilts down or the gravel gets deep. Chainstays are a uniform 430 mm, short enough to keep the rear end lively but long enough that a loaded pannier won't clip your heel.

The bottom bracket sits 75 mm below the axle line, which is low enough to feel stable through fast, loose corners but not so low you're clipping pedals on every rut. When you're standing to clear a rocky section or grinding up a steep pitch, the bike feels planted rather than tippy, and the slightly steeper 73.5-degree seat angle keeps your weight over the pedals for efficient climbing. It's a geometry that favours confidence over outright speed, and if you've ever felt a gravel bike get sketchy when the surface deteriorates, this one won't.

Component choices & upgrades

Out of the box, the SILEX 700 arrives with a sensible, functional build that'll handle most of what you throw at it. The Shimano GRX 2×10 drivetrain offers a wide enough range for loaded climbing and enough top-end for when the road smooths out, and the GRX hydraulic levers and callipers with 180 mm rotors deliver consistent, powerful braking even when you're hauling gear down long descents. The Reynolds G30 wheels are tubeless-ready with a 25 mm internal width, and the Maxxis Rambler tyres are a solid all-rounder - fast on hardpack, grippy enough on loose stuff, though they can feel a bit vague in deep mud or wet clay.

If you're planning serious bikepacking or regularly riding in wetter, muddier conditions, swapping the Ramblers for something with more aggressive tread - a Panaracer GravelKing SK or a Schwalbe G-One Bite - will give you more confidence when the trail turns slick. The tyres are already 45C, so you've got cushion and volume; it's just a question of tread pattern. The saddle is comfortable enough for most riders, but if you're spending full days in it or carrying weight, a Brooks Cambium or a Fabric Scoop might suit you better.

The carbon seatpost is a nice touch at this price point, and the MERIDA EXPERT GRII bars offer a comfortable flare for off-road control. If you find yourself wanting more hand positions or a bit more flare for technical descents, a set of bars with a wider flare (say, 20 degrees instead of the stock setup) can open up your chest and give you more leverage. The GRX shifters are excellent, and there's little reason to change them unless you're chasing electronic shifting, which would be overkill here. The stock build is well-sorted; upgrades should be driven by your riding, not by any shortcoming in the spec.

Where the Merida SILEX 700 excels

This bike is outstanding at long-distance gravel riding where the surface varies and the route isn't always clear. If your weekends involve linking bridleways, byways, and the odd stretch of singletrack, or if you're planning multi-day trips with panniers and frame bags, the SILEX 700 is in its element. The stable geometry and generous tyre clearance mean you can ride loaded without feeling like the bike is fighting you, and the multiple mounting points let you carry everything you need without resorting to a trailer.

It's also excellent for riders who want one bike that can handle the commute, the weekend adventure, and the occasional foray onto rougher trails. The mudguard mounts and dynamo-ready fork make it practical for year-round use, and the wide tyres and powerful brakes mean you're not compromising safety for versatility. If you're new to gravel or coming from mountain biking, the familiar geometry will feel intuitive rather than alien.

Where it's less ideal: pure speed on smooth tarmac or race-focused gravel events. The upright position and stable geometry prioritise comfort and control over outright pace, so if you're chasing KOMs on paved climbs or trying to hang with a fast road group, you'll feel the difference. It's also not the lightest option, so if you're counting grams or racing against the clock, there are quicker bikes. But if you're after a bike that'll get you to places other gravel bikes won't, and bring you back with a smile, this one delivers.

Merida SILEX 700 FAQs

What is the tyre clearance on a Merida SILEX 700?
The frame and fork clear up to 700×47C tyres, or 42C if you're running full mudguards. That's enough room to run lower pressures for comfort and grip on rough surfaces, or to fit something more aggressive if you're heading into proper off-road territory.

Is the Merida SILEX 700 good for bikepacking?
Absolutely. Five bottle bosses, rack mounts, mudguard eyelets, and WIRE PORT internal routing mean you can load it up with frame bags, panniers, and a top-tube bag without cables snagging or running out of attachment points. The stable geometry and wide tyres make it comfortable and controllable when you're carrying weight, and the carbon fork includes mounts for front cargo.

What is the geometry of the Merida SILEX 700 like?
It's MTB-inspired: a slacker 69.5-degree head angle, longer top tube, and short 80 mm stem give you stable, confident handling on rough terrain. The upright position is comfortable for long days, and the longer wheelbase keeps the bike composed when loaded or descending. It's not a race geometry, but it's excellent for adventure and varied surfaces.

Can I fit a suspension fork to a Merida SILEX 700?
Yes. The fork is designed so you can swap in a suspension fork without altering the bike's geometry, which is unusual for a gravel bike. If you're planning to ride rougher trails or want more comfort on long, bumpy descents, it's a straightforward upgrade.

What is the weight of the Merida SILEX 700?
Merida hasn't published an official weight for the complete bike, but aluminium frames with this spec typically land in the 10 - 11 kg range depending on size and setup. It's not a lightweight race machine, but the weight is well-distributed and doesn't feel sluggish on the trail.

What is the difference between Merida SILEX 700 models over the years?
The 2026 model uses a Shimano GRX 2×10 drivetrain and Reynolds G30 wheels, while the 2025 version ran a GRX 1×12 setup with Easton EA70 AX wheels. The 2024 model introduced significant geometry tweaks, improved tyre clearance, and a fork design that allows suspension fork compatibility without changing the geometry. Earlier generations had a more traditional gravel setup and less refined aesthetics.

Is the Merida SILEX 700 a good all-around gravel bike?
It's one of the best if your definition of 'all-around' includes rough terrain, loaded riding, and versatility over outright speed. The stable geometry, wide tyre clearance, and practical mounts make it excellent for adventure, bikepacking, and mixed-surface riding. If you want a single bike for commuting, weekend exploring, and the occasional tour, it's hard to fault.

What are the best upgrades for a Merida SILEX 700?
Tyres are the first place to look - swap the Ramblers for something with more aggressive tread if you're riding in mud or wet conditions. A saddle that suits your sit bones and riding style will make long days more comfortable, and if you're planning serious bikepacking, a set of wider-flare bars can improve control on technical descents. The stock build is solid, so upgrades should be driven by your specific needs rather than any weakness in the spec.