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Gravel
Merida

Silex 4000

2027700cGravel
$2,959
at 99 Bikes, was $3,299. In stock, checked 14 Oct 2026.
All Merida prices
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700cWheel size
SizesXSSMLXLWhich size?

OverviewAbout the Merida Silex 4000

The Merida Silex 4000 is a gravel bike, listed at $2,699. A drop-bar all-road bike for gravel, dirt and mixed surfaces.

gravel

SizingWhat size Silex 4000 do I need?

cm

Enter your height to see the size Merida recommends.

Merida Silex 4000 size chart
SizeRider heightIn feet
XSunder 167 cmunder 5 ft 6 in
S165 to 177 cm5 ft 5 in to 5 ft 10 in
M173 to 185 cm5 ft 8 in to 6 ft 1 in
L181 to 192 cm5 ft 11 in to 6 ft 4 in
XL188 cm and over6 ft 2 in and over

Rider heights from Merida's size chart (the brand chart for this model family). Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.

SpecificationsWhat we know

Brand
Merida
Model year
2027
Category
Gravel
Wheel size
700c
Frame sizes
XS, S, M, L, XL
Price
$2,699, RRP AUD (99 Bikes)

Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.

GeometrySize M

REACH412STACK607WHEELBASE1,082CHAINSTAY43069.5°74.5°
Merida Silex 4000, size M. Published geometry, drawn to scale (BB drop or fork offset not published, typical value used).
Stack
607 mm
Reach
412 mm
Stack/reach
1.47
Head angle
69.5 deg
Seat angle
74.5 deg
Wheelbase
1082 mm
Chainstay
430 mm
BB drop
75 mm
Standover
798 mm

GearingRatios

0.83lowest (climbing)
4.18highest (speed)
Very low climbing gear

Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.

Drivetrain & buildFull specification

Groupset
Shimano GRX400
Shifting
Mechanical
Drive
2x
Speeds
10
Crank
Shimano GRX600, 46/30
Chainrings
46/30
Cassette
Shimano Claris HG50
Rear derailleur
Shimano GRX400
Brakes
Shimano GRX400 hydraulic disc
Rotors
180mm
Wheelset
Reynolds Duroc G30
Rim internal width
26 mm
Stock tyre
700x45c
Max tyre clearance
45 mm
Tubeless
Yes
Fork material
carbon
BB standard
BSA threaded
Thru-axle
12x100 front, 12x142 rear
Seatpost
Merida Expert SL carbon
Cockpit
Merida Team CC stem, Expert GR bar
Mounts
fork cargo cages, bottle/bag/fender mounts

Bike DNAWhat the numbers say

Position
Stack-to-reach 1.47 gives a balanced, endurance riding position.
Steering
A 69.5 deg head angle points to stable, relaxed steering.
Climbing
Lowest ratio 0.83 is a very low climbing gear for steep or loaded climbs.

Derived from the published geometry and gearing above. It describes the numbers, not a ride test.

BikeFinder Data Profile: geometry and specification researched from published sources (merida-bikes.com), verified 2026-09-04. This is a specification analysis, not a physical ride review.

Where to buyStockist

99 Bikes
In stock, checked 14 Oct 2026
$2,959
View →

BikeFinder is an independent directory. We link to retailers; prices and stock are set by the seller and shown as at the date checked.