2025 Mondraker Dusty X Unlimited Gulf vs 2026 Merida SILEX
The S is the Merida SILEX size closest to your M Mondraker Dusty X Unlimited Gulf. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Merida SILEX
Compared with the Mondraker Dusty X Unlimited Gulf in M, the Merida SILEX in S places the top of the head tube 12 mm higher and 3 mm further back, relative to the bottom bracket. Its wheelbase is 9 mm longer, which can contribute to stability at speed.
- Frame stack
- +12 mm
- Higher front end
- Frame reach
- −3 mm
- Shorter frame reach
- Wheelbase
- +9 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Mondraker Dusty X Unlimited Gulf, MMerida SILEX, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Mondraker Dusty X Unlimited Gulf M | Merida SILEX S | Difference |
|---|---|---|---|
| Reach | 405 mm | 402 | −3 mm |
| Stack | 576 mm | 588 | +12 mm |
| Head tube angle | 70° | 69.5 | −0.5° |
| Seat tube angle | 74° | 74.5 | +0.5° |
| Effective top tube | 570 mm | 565 | −5 mm |
| Chainstay length | 425 mm | 430 | +5 mm |
| Wheelbase | 1056 mm | 1065 | +9 mm |
| BB drop | 70 mm | 75 | +5 mm |
| BB height | 286 mm | not listed | |
| Seat tube length | 460 mm | 490 | +30 mm |
| Fork length | 420 mm | 415 | −5 mm |
| Head tube length | 150 mm | 150 | ±0 mm |
| Standover | not listed | 771 |
Differences are the Merida SILEX minus the Mondraker Dusty X Unlimited Gulf. Full charts: 2025 Mondraker Dusty X Unlimited Gulf, 2026 Merida SILEX.
Where each sits in its class
Mondraker Dusty X Unlimited GulfMerida SILEX
Each bike is ranked against the other gravel bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Mondraker Dusty X Unlimited GulfX Unlimited Gulf | Merida SILEX200 |
|---|---|---|
| Fork | Mondraker Steatlh | Merida SILEX II CF2 |
| Shifter | SRAM Pod Controller | Shimano Essa |
| Derailleur | SRAM Force XPLR eTap AXS | Shimano Essa |
| Cassette | SRAM XG-1271 | Shimano Essa HG 300 |
| Chain | SRAM Rival | Shimano HG40 |
| Crankset | SRAM Force 1 | Shimano Essa |
| Chainring | SRAM X-Sync Eagle | not listed |
| Bottom bracket | Mahle DUB | Shimano UN101 |
| Motor | Mahle X20 Drive Unit | not listed |
| Battery | Mahle X20 IX350Wh | not listed |
| Tire | Maxxis Refuse | Maxxis Rambler 45mm |
| Hub | Mahle X20 Drive Unit | not listed |
| Rim | Mavic Cosmic SL 45 | not listed |
| Brake | SRAM Level Silver | Shimano Essa |
| Handlebar | Onoff S9 Urban Carbon rise: 0mm | Merida EXPERT GRII |
| Headset | Onoff IS52/IS52 | not listed |
| Saddle | fizik Vento Argo X5 | not listed |
| Frame | not listed | Merida SILEX LITE II |
| Rotor | not listed | Shimano SM-RT10 |
| Stem | not listed | Merida COMP CC |
| Seatpost | not listed | Merida COMP CC |
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