Merida Silex GRX 400 vs Sunn Venture S1 Shimano GRX RX820 12v

Merida

Silex GRX 400

Sunn

Venture S1 Shimano GRX RX820 12v

Mid-rangeAdventure and bikepackingCarbon700c2027

Entry levelAdventure and bikepackingAluminium700c2026

Close on the specs and the list price: here are their 16 differences, line by line.

MeridaMerida Silex GRX 400

Sunn Venture S1 Shimano GRX RX820 12v, side view

SunnSunn Venture S1 Shimano GRX RX820 12v

At a glance

Differences only

Merida Silex GRX 400 is the newer model (2027).

Key specs7 differences

Model year 2027 2026

Frame Carbon

As printed

cadre SILEX CF2 II, material: carbon

Aluminium

As printed

ALLOY 6013 EDGE TUBING

Fork model MERIDA SILEX II CF2 –

Wheelset 700c · Reynolds Duroc G30 rims, Shimano TC500 hubs

As printed

jante Reynolds Duroc G30, 622 28H; moyeux Shimano TC500 / Shimano TC500-HM

700c · Mach1 Wookx 25 tubeless

As printed

Mach1 Wookx 25 tubeless, taille 700

Drivetrain 2×10 2×12

Groupset Shimano GRX 400

As printed

derailleur (ar) Shimano GRX400; manettes Shimano GRX 400

Shimano GRX RX820

Brake model Shimano GRX400 2 piston hydraulic

As printed

freins Shimano GRX400 / Shimano GRX 400, 2 piston, Hydraulic

Shimano GRX BR-RX410

Seatpost MERIDA EXPERT SL Rigid · BRUTE CARBON 27,2X300MM (S/M), 27,2X350MM (L/XL) ^{°Value not published by the brand}

Weight– 9.9 kg

Prices

Each model's retailers, delivered to your country, and their prices over time.

Merida Silex GRX 400

Sunn Venture S1 Shimano GRX RX820 12v

Character

The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.

Silex GRX 400 · Gravel bike very demanding, rather stable, average gearing, average equipment.
Venture S1 Shimano GRX RX820 12v · Gravel bike very demanding, very stable, entry-level equipment.

Terrain

EasyDemanding

Handling

NimbleStable

Gearing

Speed in the lowest and the highest gear at 90 rpm: lower on the left climbs easier, higher on the right goes faster.

Merida Silex GRX 40010 km/h - 51 km/h

Easiest gear (climbing)Hardest gear (descending)

Merida Silex GRX 400Sunn Venture S1 Shimano GRX RX820 12vother gravel bikes

Components and specs

Every spec line by line; the higher range of a component is marked. The technical groups are folded.

Ride type

Ride type Adventure and bikepacking

As printed

Le SILEX transforme chaque sortie en aventure

Adventure and bikepacking

As printed

Un cadre taillé pour l’évasion ; amateurs de bikepacking

Suspension– Rigid ^{°Value not published by the brand}

Frame and fork

Fork Carbon

As printed

fourche MERIDA SILEX II CF2, Tapered, material: carbon

Carbon

As printed

FULL CARBON HM

Max tyre clearance 45 mm –

Axles Thru-axles

As printed

100x12/142x12mm axle standard

–

Bottom bracket BSA

As printed

BSA bottom bracket standard

–

Cable routing– Internal

As printed

FULL INTERNAL CABLE ROUTING

Seatpost diameter 27.2 mm –

Drivetrain4 differences

Groupset brand Shimano

As printed

derailleur (ar) Shimano GRX400

Shimano

As printed

Shimano GRX RX820 12V

Shifting Mechanical

As printed

derailleur (ar) Shimano GRX400, mechanical

Mechanical ^{°Value not published by the brand}

As printed

SHIMANO GRX RX820 12V AR SHIMANO GRX RX820 2V AV

Chainrings 2 2

Gears at the back 10 12 +2

Chainring teeth Shimano GRX600 46-30

As printed

taille manivelle Shimano GRX600, 46-30 teeth

SHIMANO GRX RX610 30X46T 165MM (S) ^{°Value not published by the brand}

Cassette Shimano Deore HG50 11-36

As printed

cassette Shimano Deore HG50, 11-36 teeth, 10 speed

Shimano 105 R7101 11-36 12v Higher range

Rear derailleur Shimano GRX400 SHIMANO GRX RX820 12V AR SHIMANO GRX RX820 2V AV ^{°Value not published by the brand}

Shifters Shimano GRX 400 –

Brakes2 differences

Brakes Hydraulic disc Hydraulic disc ^{°Value not published by the brand}

As printed

Shimano GRX 400 Disque hydraulique

Front rotor 180 mm 160 mm −20 mm

Rear rotor 180 mm 160 mm −20 mm

Wheels and tyres1 difference

Wheel size 700c / 29" 700c / 29"

Rims– Aluminium ^{°Value not published by the brand}

Rim depth 17 mm –

Rim inner width 26 mm –

Tubeless ready yes yes ^{°Value not published by the brand}

Tyres G-ONE RX Performance Line RaceGuard TLR 700x45C

As printed

pneus G-ONE RX Performance Line, RaceGuard TLR, 700x45C

Hutchinson Touareg Reinforced 700x45 TLR

Tyre width fitted 45 mm 45 mm

Cockpit and seatpost3 differences

Handlebar MERIDA EXPERT GR II FLARE 25° 400MM (S) ^{°Value not published by the brand}

Stem MERIDA TEAM CC III FLARE 25° 400MM (S) ^{°Value not published by the brand}

Seatpost model MERIDA EXPERT SL BRUTE CARBON 27,2X300MM (S/M), 27,2X350MM (L/XL) ^{°Value not published by the brand}

Mounts and storage

Mudguard mounts yes –

Fork mounts yes –

° Value not published by the brand

Geometry

A size per bike (the nearest to the first one's at first), the differences measured from the reference bike.

Size of Venture S1 Shimano GRX RX820 12v

Differences measured from

Stack and reach

Venture S1 Shimano GRX RX820 12v · M Venture S1 Shimano GRX RX820 12v · M — Reach (mm) 385 · Stack (mm) 577

Geometry

Size– M

Reach– 385 mm

Stack– 577 mm

Top tube (effective)– 556 mm

Seat tube– 480 mm

Head tube– 145 mm

Head angle– 70.5°

Seat angle– 73.5°

Chainstays– 435 mm

Wheelbase– 1,047 mm

Front centre– 622 mm

Trail– 120 mm

Where to buy them

Merida Silex GRX 400
Its full spec sheet Compare the whole Merida Silex range
Sunn Venture S1 Shimano GRX RX820 12v
Its full spec sheet Compare the whole Sunn Venture range

Compare the whole Merida Silex range Compare the whole Sunn Venture range

Frequently asked questions

What groupset do Merida Silex GRX 400 and Sunn Venture S1 Shimano GRX RX820 12v come with?

Merida Silex GRX 400: Shimano GRX 400. Sunn Venture S1 Shimano GRX RX820 12v: Shimano GRX RX820.

Compare other models

Merida Silex GRX 400 vs Sunn Venture S1 Shimano GRX RX820 12v

At a glance

Prices

Character

Gearing

Components and specs

Geometry

Stack and reach

Where to buy them

Frequently asked questions

Other comparisons