1. Road Bikes
  2. Merida

Merida Silex 4000 Gravel 2023 Road Bike

Merida Silex 4000 Gravel 2023 Road Bike

RRP £2,150,


save £450.01

Merida Silex 4000 Gravel Road Bike - RedBlack

The Silex was a ground up design project. Rather than taking a road or cyclocross bike and re-jigging the recipe, the starting point for the Silex was modern MTB inspired geometry; long top and head tubes and a short stem, offering nimble, confidence-inspiring handling.

At launch, it was hailed as the most comfortable and versatile bike Merida had ever made.

The cycling press loved it too: "exceptional ride quality" (Cycling Plus), "a highly versatile bike" (IMB), "the best bike of this genre" (Offroad CC).

There's a certain beauty in just riding without watching the time, heading wherever you feel the urge. For those rides, the test and award-winning Silex makes total sense.

The bike has five sets of bottle bosses and rack mounting points offering multiple luggage carrying options.

All Silex models are equipped with powerful hydraulic disc brakes. Calipers are mounted on the chainstay for better dissipation of braking forces using the flat-mount standard for a neat, flush fit. Calipers sit on top of CNCd aluminium Disc Cooler fins, reducing operating temperatures by up to 35%; particularly important when running fully loaded.


Carbon gravel bike with Shimano's highly acclaimed gravel specific GRX400 2 x 10 groupset and hydraulic disc brakes.

Pay in 3 instalments of £566.66* or in 30 days.
Available on all full price items.

We accept Cycle Scheme
Save up to £714

Pay with Cycle Scheme

Surcharge applies on sale items

3 other people are currently watching this bike 👀

Excellent, repair carried out with full transparency on costs beforehand, bike back quicker than anticipated and rides like a dream

Cassette Specification

Availability In stock
BIKE year 2023
Category Road Bike
Colour Red, black
Condition Brand new
bottom bracket FSA 386-BB30 PF6000 SMN FC
brake levers Shimano GRX400
cassette KMC X10
chain KMC X10
chainset Shimano GRX600; 46-30 tooth chainset. Crank length: 170mm XS,S, 172.5mm M, 175mm L,XL
fork Silex CF2; Full carbon; tapered steerer, 100 x 12mm axle standard; Max. tyre size: 700 x 38c / 650b x 45c
frame CF2 carbon, gravel geometry for stable but nimble handling. Tapered head tube and 12 mm bolt though axles for stiffness and steering precision. Internal cable routing, Max tyre - 700x38c or 650bx45c
front brake Shimano GRX400; hydraulic disc brake caliper with Shimano RT10; 160mm rotor
front derailleur Shimano GRX400
grips Merida Road Expert
handlebar Merida Expert GR; aluminium; Width: 400mm XS-S, 420mm M, 440mm L/XL
headset Silex Neck
hub front VP CLK170F; 100x12mm; 32 spokes; Center lock
hub rear VP CLK270R; 142x12mm; 32 spokes; Center lock. With Merida Expert SL axle; including removable lever; 6/4mm allen key
rear brake Shimano GRX400; hydraulic disc brake caliper with Shimano RT10; 160mm rotor
rear derailleur Shimano GRX400
rims Merida Comp SL; 17mm inner rim width; 22mm depth; Aluminium
saddle Merida Comp SL; V-mount; including Merida minitool
seatpost Merida Expert CC; carbon; 30.9mm diameter; in-line
shift levers Shimano GRX400
spokes Black stainless
stem Merida Expert CW; aluminium; 31.8mm diameter; -8 degree rise - Stem length: 80mm all sizes
tyres Front tyre: Maxxis Rambler; 700 x 38c; Kevlar bead, folding; TR; EXO Rear tyre: Maxxis Rambler; 700 x 38c; Kevlar bead, folding; TR; EXO
 Available now

Sizing guide Size guide

Road bike sizing chart

(ft - in) (cm) Size (cm)
4' 10" - 5' 0" 148 - 152 XXS 47 - 48
5' 0" - 5' 3" 152 - 160 XS 49 - 50
5' 3" - 5' 6" 160 - 168 S 51 - 52 - 53
5' 6" - 5' 9" 168 - 175 M 54 - 55
5' 9" - 6' 0" 175 - 183 L 56 - 57 - 58
6' 0" - 6' 3" 183 - 191 XL 58 - 59 - 60
6' 3" - 6' 6" 191 - 198 XXL 61 - 62 - 63

Women's road bike sizing chart

(ft - in) (cm) Size (cm)
4' 10" - 5' 1" 147 - 155 XXS 44 - 45 - 46
5' 1" - 5' 3" 155 - 160 XS 47 - 48 - 49
5' 3" - 5' 5" 160 - 165 S 50 - 51 - 52
5' 5" - 5' 8" 165 - 172 M 53 - 54 - 55
5' 8" - 5' 10" 172 - 180 L 56-57
Merida Silex 4000 Gravel Road Bike - RedBlack
Merida Silex 4000 Gravel Road Bike - RedBlack

Shipping & returns

Offshore UK

Due to the size and weight of most bikes, a charge would apply to shipping remote regions, offshore UK and Ireland.

Signed for

The courier will require a signature for your delivery. If no one is available to sign for your goods, the courier will leave a card with instruction of where you can collect it.


Working days are Monday to Friday unless otherwise stated. There may be circumstances beyond our control which cause delay and in such circumstances we will endeavour to deliver the goods as soon as they arrive from manufacturers.

Read more

To view our Shipping & Returns Policy, click here.


Our flexible finance options mean you can purchase this product with a minimal deposit (or call us and arrange a deposit that suits you). Before applying for finance, please ensure you have read the information on eligability.

Apply for finance online through v12Finance

Cookies and Terms of Use

Our site uses cookies. They facilitate our online retail, connect our social media and help analyse our traffic. We do not sell your data. We only share visitor activity data with our partners in order to improve our service and for promotions. If you proceed, you are consenting to our cookies and accept our Terms of Use.