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Sunn Venture S1 Shimano GRX RX820 12v vs Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v

Sunn Venture S1 Shimano GRX RX820 12v, side view

Sunn

Venture S1 Shimano GRX RX820 12v

Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v, side view

Sunn

Venture S2 Shimano Cues DU6000 Gs/shadow 10v

Entry levelAdventure and bikepackingAluminium700c2026
Entry levelAdventure and bikepackingAluminium700c2026

Two builds of the Sunn Venture line: 14 differences, mostly in the components.

Sunn Venture S1 Shimano GRX RX820 12v, side viewSunnSunn Venture S1 Shimano GRX RX820 12v
Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v, side viewSunnSunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v

At a glance

  • Sunn Venture S1 Shimano GRX RX820 12v is 400 g lighter than Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v (brand figures).
Key specs6 differences
Model yearSame for all 2026 2026
Weight 9.9 kg Best of the comparison 10.3 kg +400 g
FrameSame for all Aluminium
As printed

ALLOY 6013 EDGE TUBING

 Aluminium
As printed

ALLOY 6013 EDGE TUBING

Wheelset 700c · Mach1 Wookx 25 tubeless
As printed

Mach1 Wookx 25 tubeless, taille 700

 700c · Mach1 Cross R23 28T
As printed

MACH1 CROSS R23 21c 28T, taille 700

Drivetrain 2×12 1×10
Groupset Shimano GRX RX820 Shimano Cues DU6000
As printed

SHIMANO CUES DU6000 GS/SHADOW 10V

Brake model Shimano GRX BR-RX410 Shimano Cues BR-U6030
Seatpost Rigid · BRUTE CARBON 27,2X300MM (S/M), 27,2X350MM (L/XL) °Value not published by the brand Rigid · BRUTE ALU 27,2X300MM (S), 27,2X350MM (M/L/XL) °Value not published by the brand

Prices

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

Sunn Venture S1 Shimano GRX RX820 12v

Sunn Venture S1 Shimano GRX RX820 12v

Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v

Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v

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.

  • Venture S1 Shimano GRX RX820 12v · Gravel bike very demanding, very stable, entry-level equipment.
  • Venture S2 Shimano Cues DU6000 Gs/shadow 10v · Gravel bike rather demanding, short gearing, entry-level equipment.
Terrain
Sunn Venture S1 Shimano GRX RX820 12v 86%Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v 63%1 bike7 bikes1 bike3 bikes3 bikes1 bike2 bikes4 bikes2 bikes · Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v4 bikes2 bikes3 bikes · Sunn Venture S1 Shimano GRX RX820 12v4 bikes
EasyDemanding
Handling
Sunn Venture S1 Shimano GRX RX820 12v 97%5 bikes1 bike1 bike2 bikes1 bike1 bike2 bikes1 bike2 bikes1 bike2 bikes4 bikes1 bike3 bikes1 bike3 bikes · Sunn Venture S1 Shimano GRX RX820 12v
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.

  • Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v10 km/h - 44 km/h
Easiest gear (climbing)Hardest gear (descending)
Sunn Venture S1 Shimano GRX RX820 12vSunn Venture S2 Shimano Cues DU6000 Gs/shadow 10vother 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 typeSame for all Adventure and bikepacking
As printed

Un cadre taillé pour l’évasion ; amateurs de bikepacking

 Adventure and bikepacking
As printed

Un cadre taillé pour l’évasion ; amateurs de bikepacking

SuspensionSame for all Rigid °Value not published by the brand Rigid °Value not published by the brand
Frame and fork
ForkSame for all Carbon
As printed

FULL CARBON HM

 Carbon
As printed

FULL CARBON HM

Cable routingSame for all Internal
As printed

FULL INTERNAL CABLE ROUTING

 Internal
As printed

FULL INTERNAL CABLE ROUTING

Drivetrain5 differences
Groupset brandSame for all Shimano
As printed

Shimano GRX RX820 12V

 Shimano
As printed

SHIMANO CUES DU6000 GS/SHADOW 10V

ShiftingSame for all Mechanical °Value not published by the brand
As printed

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

 Mechanical °Value not published by the brand
As printed

SHIMANO CUES DU6000 GS/SHADOW 10V

Chainrings 2 1 −1
Gears at the back 12 Best of the comparison 10 −2
Chainring teeth SHIMANO GRX RX610 30X46T 165MM (S) °Value not published by the brand FSA OMEGA MEGAEXO AGX+ 40T 165MM (S) °Value not published by the brand
Cassette Shimano 105 R7101 11-36 12v Shimano CS-LG300 11-48 10v
Rear derailleur SHIMANO GRX RX820 12V AR SHIMANO GRX RX820 2V AV °Value not published by the brand SHIMANO CUES DU6000 GS/SHADOW 10V °Value not published by the brand
Brakes
BrakesSame for all Hydraulic disc °Value not published by the brand
As printed

Shimano GRX 400 Disque hydraulique

 Hydraulic disc °Value not published by the brand
As printed

Shimano CUES Disque hydraulique

Front rotorSame for all 160 mm 160 mm
Rear rotorSame for all 160 mm 160 mm
Wheels and tyres1 difference
Wheel sizeSame for all 700c / 29" 700c / 29"
RimsSame for all Aluminium °Value not published by the brand Aluminium °Value not published by the brand
Tubeless ready yes °Value not published by the brand–Not given
Tyres Hutchinson Touareg Reinforced 700x45 TLR Hutchinson Touareg Reinforced+ 700x45
Tyre width fittedSame for all 45 mm 45 mm
Cockpit and seatpost3 differences
Handlebar FLARE 25° 400MM (S) °Value not published by the brand ALLOY 31.8 70MM (S) °Value not published by the brand
Stem FLARE 25° 400MM (S) °Value not published by the brand ALLOY 31.8 70MM (S) °Value not published by the brand
Seatpost model BRUTE CARBON 27,2X300MM (S/M), 27,2X350MM (L/XL) °Value not published by the brand BRUTE ALU 27,2X300MM (S), 27,2X350MM (M/L/XL) °Value not published by the brand

° 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.

Stack and reach

540550560570580590600610350360370380390400410420↖ UprightAggressive ↘Reach (mm)Stack (mm)Venture S1 Shimano GRX RX820 12v · M — Reach (mm) 385 · Stack (mm) 577
  • Venture S1 Shimano GRX RX820 12v · M Venture S1 Shimano GRX RX820 12v · M — Reach (mm) 385 · Stack (mm) 577
Geometry
Size M –Not given
Reach 385 mm –Not given
Stack 577 mm –Not given
Top tube (effective) 556 mm –Not given
Seat tube 480 mm –Not given
Head tube 145 mm –Not given
Head angle 70.5° –Not given
Seat angle 73.5° –Not given
Chainstays 435 mm –Not given
Wheelbase 1,047 mm –Not given
Front centre 622 mm –Not given
Trail 120 mm –Not given

Where to buy them

Compare the whole Sunn Venture range

Frequently asked questions

Which is lighter, Sunn Venture S1 Shimano GRX RX820 12v or Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v?

Sunn Venture S1 Shimano GRX RX820 12v weighs 9.9 kg, Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v 10.3 kg, as their brands give them.

What groupset do Sunn Venture S1 Shimano GRX RX820 12v and Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v come with?

Sunn Venture S1 Shimano GRX RX820 12v: Shimano GRX RX820. Sunn Venture S2 Shimano Cues DU6000 Gs/shadow 10v: Shimano Cues DU6000.

Other comparisons

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