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Sunn Exact S2 Shimano Cues Rd-u6020 10v vs Sunn Exact S3 Shimano Cues Rd-u4000

Sunn Exact S2 Shimano Cues Rd-u6020 10v, side view

Sunn

Exact S2 Shimano Cues Rd-u6020 10v

Sunn Exact S3 Shimano Cues Rd-u4000, side view

Sunn

Exact S3 Shimano Cues Rd-u4000

Entry levelCross-countryHardtailAluminium2026
Entry levelCross-countryHardtailAluminium2026

Two builds of the Sunn Exact line: 7 differences, mostly in the components.

Sunn Exact S2 Shimano Cues Rd-u6020 10v, side viewSunnSunn Exact S2 Shimano Cues Rd-u6020 10v
Sunn Exact S3 Shimano Cues Rd-u4000, side viewSunnSunn Exact S3 Shimano Cues Rd-u4000

At a glance

  • Sunn Exact S2 Shimano Cues Rd-u6020 10v is 400 g lighter than Sunn Exact S3 Shimano Cues Rd-u4000 (brand figures).
Key specs3 differences
Model yearSame for all 2026 2026
Weight 14.6 kg Best of the comparison 15 kg +400 g
FrameSame for all Aluminium °Value not published by the brand Aluminium °Value not published by the brand
SuspensionSame for all Hardtail, 100 mm °Value not published by the brand Hardtail, 100 mm °Value not published by the brand
Fork model ROCKSHOX JUDY SILVER TK, 100MM SR SUNTOUR XCM 32 DS, 100MM
WheelsetSame for all 29" · MACH 1 ER20 DISC, 19MM 29" · MACH 1 ER20 DISC, 19MM
Drivetrain 1×10 1×9
GroupsetSame for all Shimano Cues
As printed

SHIMANO CUES RD-U6020 10V

 Shimano Cues
As printed

SHIMANO CUES RD-U4000, SHADOW, 9V

Brake modelSame for all SHIMANO MT200 160/160 SHIMANO MT200 160/160
SeatpostSame for all Rigid · AL 6061 27.2X350MM °Value not published by the brand Rigid · AL 6061 27.2X350MM °Value not published by the brand

Prices

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

Sunn Exact S2 Shimano Cues Rd-u6020 10v

Sunn Exact S2 Shimano Cues Rd-u6020 10v

Sunn Exact S3 Shimano Cues Rd-u4000

Sunn Exact S3 Shimano Cues Rd-u4000

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.

  • Exact S2 Shimano Cues Rd-u6020 10v · Mountain bike made for very smooth ground, short gearing, entry-level equipment.
  • Exact S3 Shimano Cues Rd-u4000 · Mountain bike made for very smooth ground, short gearing, entry-level equipment.
Terrain
Sunn Exact S2 Shimano Cues Rd-u6020 10v 2%Sunn Exact S3 Shimano Cues Rd-u4000 2%4 bikes · Sunn Exact S2 Shimano Cues Rd-u6020 10v · Sunn Exact S3 Shimano Cues Rd-u40001 bike4 bikes2 bikes1 bike1 bike1 bike2 bikes1 bike2 bikes1 bike1 bike1 bike2 bikes1 bike1 bike2 bikes1 bike1 bike2 bikes5 bikes2 bikes2 bikes5 bikes1 bike2 bikes2 bikes1 bike1 bike
EasyDemanding

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 Exact S2 Shimano Cues Rd-u6020 10v7 km/h - 31 km/h
  • Sunn Exact S3 Shimano Cues Rd-u40007 km/h - 31 km/h
Easiest gear (climbing)Hardest gear (descending)
Sunn Exact S2 Shimano Cues Rd-u6020 10vSunn Exact S3 Shimano Cues Rd-u4000other cross-country mountain bikes

Components and specs

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

Ride type
DisciplineSame for all Cross-country Cross-country
Suspension
Fork travelSame for all 100 mm 100 mm
Drivetrain3 differences
Groupset brandSame for all Shimano
As printed

SHIMANO CUES RD-U6020 10V

 Shimano
As printed

SHIMANO CUES RD-U4000, SHADOW, 9V

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

SHIMANO CUES RD-U6020 10V

 Mechanical °Value not published by the brand
As printed

SHIMANO CUES RD-U4000, SHADOW, 9V

ChainringsSame for all 1 1
Gears at the back 10 Best of the comparison 9 −1
Chainring teethSame for all Shimano CUES FC-U4000-1 32T Shimano CUES FC-U4000-1 32T
Cassette SHIMANO CS-LG300-10 11-48T SHIMANO CS-LG300-9 11-46T
Rear derailleur SHIMANO CUES RD-U6020 10V °Value not published by the brand SHIMANO CUES RD-U4000, SHADOW, 9V °Value not published by the brand
Brakes
BrakesSame for all Hydraulic disc °Value not published by the brand
As printed

Shimano Disque hydraulique

 Hydraulic disc °Value not published by the brand
As printed

Shimano Disque hydraulique

Wheels and tyres
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
TyresSame for all MAXXIS IKON 29X2.20 MAXXIS IKON 29X2.20
Tyre width fittedSame for all 2.2 mm 2.2 mm
Cockpit and seatpost2 differences
Handlebar AL 6061 / DIA : 31.8MM °Value not published by the brand 31.8, 75MM °Value not published by the brand
Stem AL 6061 / DIA : 31.8MM °Value not published by the brand 31.8, 75MM °Value not published by the brand
Seatpost modelSame for all AL 6061 27.2X350MM °Value not published by the brand AL 6061 27.2X350MM °Value not published by the brand

° Value not published by the brand

Where to buy them

Compare the whole Sunn Exact range

Frequently asked questions

Which is lighter, Sunn Exact S2 Shimano Cues Rd-u6020 10v or Sunn Exact S3 Shimano Cues Rd-u4000?

Sunn Exact S2 Shimano Cues Rd-u6020 10v weighs 14.6 kg, Sunn Exact S3 Shimano Cues Rd-u4000 15 kg, as their brands give them.

What groupset do Sunn Exact S2 Shimano Cues Rd-u6020 10v and Sunn Exact S3 Shimano Cues Rd-u4000 come with?

Sunn Exact S2 Shimano Cues Rd-u6020 10v: Shimano Cues. Sunn Exact S3 Shimano Cues Rd-u4000: Shimano Cues.

Other comparisons

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