DESCRIPTION
The Merida Silex 400 steps the adventure-ready Silex range up with a Shimano GRX groupset. A lightweight aluminium frame and full-carbon fork deliver a smooth, responsive ride, while the GRX 2x10 drivetrain gives a wide gear range for loaded climbs and fast gravel. Hydraulic disc brakes, tubeless-ready wheels and wide 45c Maxxis Rambler tyres make it a confident, capable choice for long days exploring New Zealand back roads and trails.
Key Features
- Silex Lite II aluminium frame with adventure geometry
- Full-carbon Silex II CF2 fork (up to 47c clearance)
- Shimano GRX 2x10 drivetrain, 46-30T with 11-36T cassette
- Shimano GRX400 hydraulic disc brakes, 180mm rotors
- Tubeless-ready MERIDA Expert SL III alloy wheels
- Maxxis Rambler 700x45c tubeless-ready EXO tyres
- Flared MERIDA Expert GR II handlebar for off-road control
Who Is the Merida Silex 400 For?
For the rider who wants a more capable GRX-equipped gravel bike for bikepacking, gravel events and mixed-terrain adventures.
For New Zealand gravel and back roads, the upright Silex geometry, carbon fork and wide 45c tyres soak up rough surfaces, while the GRX 2x10 drivetrain gives the range to climb loaded and roll fast on the flats.
Full Specifications
| Frame: | Silex Lite II, MAT aluminium, 700x45C max WHS, 100x12/142x12 AST, BSA BBR |
| Fork: | MERIDA Silex II CF2, tapered, MAT carbon, 700x47C max WHS |
| Brakes: | Shimano GRX400, hydraulic disc (front and rear) |
| Rotors: | Shimano RT54, 180mm (front and rear) |
| Shifters: | Shimano GRX 400, disc (front and rear) |
| Front derailleur: | Shimano GRX400 |
| Rear derailleur: | Shimano GRX400 |
| Cassette: | Shimano CS-HG50, 11-36, 10-speed |
| Chain: | KMC X10 |
| Crankset: | Shimano GRX600, 46-30T, 165mm (XXS/XS), 170mm (S/M), 172.5mm (L/XL) |
| Hubs (front | rear): | Shimano HB-TC500, 100x12, 28H, Centerlock | Shimano FH-TC500-HM, 12-142, 28H, Centerlock |
| Rims: | MERIDA Expert SL III, 23mm internal, MAT aluminium, tubeless ready |
| Axles: | MERIDA Expert TR, removable lever, 6/4mm allen key |
| Tyres: | Maxxis Rambler, 700x45C, fold, TR, EXO (front and rear) |
| Handlebar: | MERIDA Expert GR II, MAT aluminium, 400mm (to S), 420mm (M), 440mm (L/XL) |
| Stem: | MERIDA Team CC III, MAT aluminium, 31.8mm, -6 degree, 80mm (all sizes) |
| Grips: | MERIDA Road Expert |
| Headset: | Acros ICR Merida external neck with diecast split ring |
| Saddle: | MERIDA Comp SL, 25% recycled material, V-mount |
| Seatpost: | MERIDA Comp CC, 27.2mm, MAT aluminium |
| Colours: | Oak Bark / Earth Powder |
PLU: 86633
SPECIFICATIONS
Please note that bike specifications may change from what is listed above if running substitution changes are made due to unavailability of parts. We highly recommend confirming the specifications of the bike at the time of purchase, especially if buying in-store.



