• Merida SILEX 400 (2025)
  • Merida SILEX 400 (2025)
  • Merida SILEX 400 (2025)
  • Merida SILEX 400 (2025)

MERIDA

Merida SILEX 400 (2025)

  • Lifetime frame warranty
  • 700×45 mm tyre clearance
  • Shimano GRX 2x10
  • Carbon fork with mounts
Product out of stock

Merida SILEX 400 (2025)

Versatility never goes out of style. The SILEX 400 is an adventure-ready gravel bike that’s equally at home doing a rough commute or winter training laps, thanks to a durable aluminium frame, lightweight carbon fork and huge tyre clearance of 700 x 45 mm – or even 42 mm tyres with fenders. Our MTB-inspired geometry gives you huge confidence off-road, the huge number of mounts mean you’ll be able to carry what you need easily, and the durable Shimano 2x10-speed GRX groupset and brakes will make short work of the ups and downs.

The SILEX turns any ride into an adventure, whether you’re on a multi-day gravel bikepacking mission or just taking the fun route to work. With multiple test wins, press accolades, industry awards and even a World Championship title under its belt, our SILEX takes the off-road capability of gravel bikes to new heights, thanks to a slacker head angle and boosted tyre clearance of up to 700x45 mm or even 42 mm with fenders. We've combined that confident mountain bike-inspired handling with all-surface versatility so that it is utterly stable when loaded up with luggage but still fast and fun when you put the hammer down. With carbon and aluminium frame options, there's a SILEX to suit every budget, but they all share the multiple mounting points for fork cages, water bottles and accessories and other features that make this drop-bar do-everything machine so versatile. We’ve added our sleek WIRE PORT cable routing for improved looks – and fewer cables to catch on with a handlebar bag – and the carbon fibre fork used on all models now has more cargo mounts plus internal routing for a dynamo hub.

  • Award winning aluminium frame with dropped chainstay for 700x45 mm clearance
  • WIRE PORT internal cable routing for clean looks and scuff free bag fitting
  • Relaxed head angle and MTB-style geometry for off-road stability
  • Multiple mounting points for cages, bags and fenders
  • Carbon fork with cargo mounting points and routing for dynamo hub
  • Wide-range gravel-specific Shimano GRX 2x10-speed groupset
Frame-SILEX LITE II; MAT aluminium; 700x47C max.WHS; 100x12/142x12 AST; BSA BBR 
Wheel size-28"
Gears-20 (2x10)
Fork-MERIDA SILEX CF2 II; Tapered; MAT carbon; 700x47C max. WHS
Brake system-Shimano GRX400; Hydraulic disc
Brake rotors-Shimano RT10; 180/160mm
Rear derailleur-Shimano GRX400
Front derailleur-Shimano GRX400
Shift-/brake levers-Shimano GRX400
Crankset-Shimano GRX600; 46-30 ATC; 170 mm-XS/S, 172,5 mm-M, 175 mm-L/XL
Cassette-Shimano CS-HG50; 11-36 ATC; 10 GER
Chain-KMC X10
Stem-MERIDA TEAM CC III; MAT aluminium; 31.8 DSH; -6 ASD; 80mm
Handlebar-MERIDA EXPERT GRII; MAT aluminium; 400mm (XS-S) , 420mm (M) , 440mm (L/XL)
Handlebar tape-MERIDA ROAD Expert
Rims-MERIDA EXPERT SLII; 23 IWR; 25 HRI; MAT aluminium; Tubeless ready (tubeless
Front hub-Shimano HB-TC500; 100x12 WHF; 28 SPH; Centerlock
Rear hub-Shimano FH-TC500-HM; 12-142 WHR; 28 SPH; Centerlock
Tyres-Maxxis Rambler; 700x45C; fold; TR; EXO
Saddle-MERIDA COMP SL; 25% recycled material; V-mount
Seat post-MERIDA COMP CC; MAT aluminium; 27.2 DSP; 5 SSB
Seat clamp-MERIDA EXPERT
Inner tubes-Lite 48
Weight approx-10,9 kg
Max Weight (bike + rider)-120 kg

*Because of ongoing problems in the delivery chain, the bike can be delivered with modifications.

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MERIDA is one of the world's leading premium bicycle brands, founded in 1972 in Changhua, Taiwan by engineer and entrepreneur Ike Tseng (1932–2012). The brand's origin story is built on a real vision: while travelling in the US in the early 1970s, Ike Tseng spotted a sign on a bike shop door stating that Taiwanese-made bikes would not be accepted for repair due to their poor quality. This deeply offended him — and that same September he opened his factory in Yuanlin with a mission to prove that world-class bikes could be made in Taiwan. The name "Me-Ri-Da" loosely translates as "reaching your destination on a beautiful, high-quality product". For its first decades Merida operated as an OEM producer for major Western brands (including Raleigh, Specialized and Mongoose), launched its own MERIDA brand in 1988 and in 1992 became the first bicycle manufacturer listed on the Taiwan Stock Exchange. The backbone of today's Merida, however, is the R&D centre opened in 2001 in Magstadt, Germany, near Stuttgart, where the entire bike development takes place — frame design, geometry, colours, component specifications. The location is no accident: Mercedes, Porsche and other German automotive giants are right next door, meaning the area is full of top-class engineers. Magstadt also houses the brand's own test lab, where prototypes are put through punishing trials before going into production. At the Taiwanese factory, a local team of around 20 engineers turns the German concepts into production-ready products — this connection is Merida's signature: "engineered in Germany, tested by pros, built in Taiwan". Today Merida produces over 2 million bikes a year at its factories in Taiwan, China and Germany, and sells them in more than 77 countries — the range covers everything from kids' and city bikes to e-bikes, MTBs, gravel and full-on professional WorldTour racing machines. Merida has also left a deep mark on top-level sport: the Multivan Merida Biking Team that operated from 2000 to 2016 went down in history as one of the most successful MTB teams ever — over 30 World Cup wins, 15 World Championship titles, 15 European titles, and at the 2004 Athens Olympics both gold (Gunn-Rita Dahle Flesjå) and silver (José Hermida). On the road, Merida has supplied WorldTour teams since 2013 — the most memorable wins are Vincenzo Nibali's Milan–San Remo (2018) and Il Lombardia (2017) and Sonny Colbrelli's Paris–Roubaix (2021), all in Bahrain Victorious colours. A unique partnership ties Merida to the American premium brand Specialized: since 2001 Merida has owned 49% of Specialized and produces their models. The backbone of every Merida bike is Ike Tseng's original principle — do it with quality or don't do it at all.