(no reviews)Product ID: 275617
Merida eSilex 400 2025 - Electric Gravel Bike
The dream ticket when discussed in the Merida UK office. A gravel bike with motor assistance, allowing you to go further, tackle more and generally just grin a lot. MAHLE's ebikemotion system uses a 40Nm rear hub motor powered by a fully integrated 250Wh battery hidden in the downtube. The low system weight combined with a carbon fork and sophisticated aluminium frame means the bike also feels lively without power assistance. There is almost no drag at all from the motor when it's not engaged. The system has an iWoc button for controlling support levels and a sophisticated app provides an opportunity to adjust the riding feel as well as offering post-ride analysis features. The frame has mounts for mudguards and rack and a neat hidden kickstand mount. Cable routing is through the frame with cables entering through a specific headset cap to keep the cockpit neat. The eSilex can be run with either 700c or 650b wheels.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | Lite II - Hydroformed 6066 triple butted aluminium with integrated battery chamber, mounts for mudguards, rack and kickstand. 9mm QR axle standard, BSA BB standard. Max. tyre size 700 x 45c without mudguards, 700 x 42c with mudguards, 27.5 x 47c |
| Fork | Merida Silex CF2; Tapered; carbon, Max. tyre size: 700 x 42c without mudguards, 700 x 35c with Mudguards. Max 27.5" x 50c |
| Headset | Merida 8158 |
| Stem | Merida Team CC III; aluminium; 31.8mm diameter; -6 degree rise; length: 80mm all sizes |
| Bars | Merida Expert GRII; aluminium; 400mm (XS/S), 420mm (M), 440mm (L/XL) |
| Front Brake | Shimano GRX400 2 piston hydraulic disc brake caliper with Shimano RT10 160mm rotor |
| Rear Brake | Shimano GRX400 2 piston hydraulic disc brake caliper with Shimano RT26 160mm rotor |
| Brake Lever | Shimano GRX400 |
| Front Mech | Shimano GRX400 |
| Rear Mech | Shimano GRX400 |
| Shifters | Shimano GRX400 |
| Speed | 20 |
| Rims | Merida Comp SL; 17mm inner rim width; 22mm rim depth; aluminium |
| Front Hub | Shimano HB-TC500; 100 x 12mm; 28 Spokes; Centerlock |
| Front Tyre | Maxxis Rambler; 700 x 40C; Kevlar bead, folding; EXO |
| Rear Tyre | Maxxis Rambler; 700 x 40C; Kevlar bead, folding; EXO |
| Seat Post | Merida Expert; aluminium; 30.9mm diameter; in-line |
| Saddle | Merida Comp SL; V-mount |
| Chainset | Shimano GRX600; 46-30 tooth chainset with 170 mm-XS/S/M, 175 mm-L/XL crank |
| Bottom Bracket | Shimano RS500 BSA |
| Chain | KMC E10 |
| Cassette | Shimano CS-HG50; 11-36 teeth; 10 speed |
| Pedals | VP Components - VPE-891 |
| Battery Size (WH) | Mahle ix250Wh Battery Pack |
| Motor | Mahle X30 Hub motor, 40Nm |
Merida eSilex 2025 Size Chart
| Size | Rider Height (Inch) | Rider Height (cm) |
|---|---|---|
| XS | 5'3" – 5'5" | 162 – 167 |
| S | 5'4" – 5'9" | 165 – 177 |
| M | 5'7" – 5'11" | 173 – 185 |
| L | 5'10" – 6'2" | 181 – 192 |
| XL | 6'1" – 6'5" | 188 – 200 |
What size frame do I need if I am between sizes? - read here
Merida eSilex 2025 Geometry Chart
| Size | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Stack | 565 | 581 | 597 | 613 | 629 |
| Reach | 374 | 384 | 395 | 406 | 416 |
| Head Tube Length | 145 | 160 | 175 | 190 | 205 |
| Head Tube Angle | 69.5° | 70° | 70.5° | 71° | 71.5° |
| Bottom Bracket Drop | 70 | 70 | 70 | 70 | 70 |
| Fork Length | 400 | 400 | 400 | 400 | 400 |
| Chainstay Length | 431 | 431 | 431 | 431 | 431 |
| Wheelbase | 1032 | 1044 | 1055 | 1066 | 1076 |
| Top Tube Length (horizontal) | 525 | 540 | 555 | 570 | 585 |
| Standover Height | 748 | 767 | 785 | 804 | 830 |
| Seat Tube Length | 470 | 490 | 510 | 530 | 560 |
| Seat Tube Angle | 75° | 75° | 75° | 75° | 75° |
| Tyre Size | 28" | 28" | 28" | 28" | 28" |
All measurements are in mm unless otherwise stated.
The above table shows the standard geometry for the bicycle as shipped, other geometry configurations may be available with certain bikes. Please contact us via Live Chat to find out more.
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