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Sunn Kern Finest SRAM Eagle 90 T Type 12v vs Sunn Kern S1 SRAM GX Eagle 12v Lunar

Sunn Kern Finest SRAM Eagle 90 T Type 12v, side view

Sunn

Kern Finest SRAM Eagle 90 T Type 12v

Sunn Kern S1 SRAM GX Eagle 12v Lunar, side view

Sunn

Kern S1 SRAM GX Eagle 12v Lunar

High endAll-mountainFull suspensionAluminium2026
Mid-rangeAll-mountainFull suspensionAluminium2026

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

Sunn Kern Finest SRAM Eagle 90 T Type 12v, side viewSunnSunn Kern Finest SRAM Eagle 90 T Type 12v
Sunn Kern S1 SRAM GX Eagle 12v Lunar, side viewSunnSunn Kern S1 SRAM GX Eagle 12v Lunar

At a glance

  • Sunn Kern S1 SRAM GX Eagle 12v Lunar is 300 g lighter than Sunn Kern Finest SRAM Eagle 90 T Type 12v (brand figures).
Key specs6 differences
Model yearSame for all 2026 2026
Weight 15.5 kg 15.2 kg Best of the comparison−300 g
FrameSame for all Aluminium
As printed

NEW KERN ALLOY 6069 EDGE TUBING BOOST 140MM

 Aluminium
As printed

KERN ALLOY 6069 EDGE TUBING BOOST 140MM

SuspensionSame for all Full suspension, 150 / 140 mm
As printed

Débattement 150/140 ; amortisseur FOX FLOAT X FACTORY KASHIMA 185/50

 Full suspension, 150 / 140 mm
As printed

Débattement 150/140 ; amortisseur MARZOCCHI BOMBER AIR 185X50 TRUNNION

Shock Fox Float X Factory Kashima 185/50 Higher range Marzocchi Bomber Air 185x50 Trunnion
Wheelset 29" · DT Swiss M1900 29" · e*thirteen LG1 EN 30mm 32T
DrivetrainSame for all 1×12 1×12
Groupset SRAM Eagle 90 T-Type
As printed

SRAM EAGLE 90 T TYPE / SRAM EAGLE 90 12V

 SRAM GX Eagle Lunar 12v
Brake model Formula Cura 4 203/180mm Formula Cura 2 203/180mm
Seatpost Dropper · BRUTE Dropper 130MM (S) / 150MM (M) / 170MM (L)
As printed

BRUTE Dropper 130MM (S) / 150MM (M) / 170MM (L)

 Dropper · BRUTE Dropper
As printed

BRUTE Dropper

Fork model–Not given Marzocchi Bomber Z2 150mm

Prices

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

Sunn Kern Finest SRAM Eagle 90 T Type 12v

Sunn Kern Finest SRAM Eagle 90 T Type 12v

Sunn Kern S1 SRAM GX Eagle 12v Lunar

Sunn Kern S1 SRAM GX Eagle 12v Lunar

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.

  • Kern Finest SRAM Eagle 90 T Type 12v · Mountain bike rather demanding, average gearing, rather high equipment.
  • Kern S1 SRAM GX Eagle 12v Lunar · Mountain bike very demanding, average equipment.
Terrain
Sunn Kern Finest SRAM Eagle 90 T Type 12v 78%Sunn Kern S1 SRAM GX Eagle 12v Lunar 85%3 bikes1 bike4 bikes3 bikes2 bikes2 bikes2 bikes2 bikes2 bikes2 bikes3 bikes2 bikes2 bikes3 bikes1 bike3 bikes5 bikes4 bikes2 bikes1 bike2 bikes10 bikes2 bikes1 bike3 bikes1 bike · Sunn Kern Finest SRAM Eagle 90 T Type 12v5 bikes2 bikes2 bikes · Sunn Kern S1 SRAM GX Eagle 12v Lunar2 bikes3 bikes1 bike4 bikes1 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 Kern Finest SRAM Eagle 90 T Type 12v8 km/h - 39 km/h
Easiest gear (climbing)Hardest gear (descending)
Sunn Kern Finest SRAM Eagle 90 T Type 12vSunn Kern S1 SRAM GX Eagle 12v Lunarother 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 All-mountain All-mountain
Frame and fork
Fork Aluminium °Value not published by the brand–Not given
Suspension
Fork travelSame for all 150 mm 150 mm
Rear travelSame for all 140 mm 140 mm
Drivetrain3 differences
Groupset brandSame for all SRAM
As printed

SRAM EAGLE 90 T TYPE

 SRAM
As printed

SRAM GX EAGLE 12V LUNAR

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

SRAM EAGLE 90 T TYPE

 Mechanical °Value not published by the brand
As printed

SRAM GX EAGLE 12V LUNAR

ChainringsSame for all 1 °Value not published by the brand 1 °Value not published by the brand
Gears at the backSame for all 12 12
Chainring teeth SRAM Eagle 90 165mm 32T SRAM GX Eagle Lunar CL55
Cassette SRAM XS 1275 10-52 SRAM SX Eagle 11-50
Rear derailleur SRAM EAGLE 90 T TYPE °Value not published by the brand SRAM GX EAGLE 12V LUNAR °Value not published by the brand
Brakes
BrakesSame for all Hydraulic disc °Value not published by the brand
As printed

Formula Cura 4 Disque hydraulique

 Hydraulic disc °Value not published by the brand
As printed

Formula Cura Disque hydraulique

Front rotorSame for all 203 mm 203 mm
Rear rotorSame for all 180 mm 180 mm
Wheels and tyres2 differences
Wheel sizeSame for all 700c / 29" 700c / 29"
As printed

MAXXIS ASSEGAI 29x2.5 EXO

RimsSame for all Aluminium °Value not published by the brand Aluminium °Value not published by the brand
Tyres Maxxis Assegai EXO+ TR 29x2.50 / Maxxis Dissector EXO+ TR 29x2.40
As printed

MAXXIS ASSEGAI EXO+/TR 29X2,50 AV / MAXXIS DISSECTOR EXO+/TR 29X2,40 AR

 Maxxis Assegai 29x2.5 EXO / Maxxis Aggressor 29x2.3 EXO
Tyre width fitted 51 mm °Value not published by the brand 64 mm °Value not published by the brand+13 mm
Cockpit and seatpost3 differences
Handlebar width 780 mm –Not given
Handlebar INTÉGRÉ ALU Ø31,8X45MM °Value not published by the brand BRUTE ONE CNC 31.8 X 40MM °Value not published by the brand
Stem INTÉGRÉ ALU Ø31,8X45MM °Value not published by the brand BRUTE ONE CNC 31.8 X 40MM °Value not published by the brand
Seatpost model BRUTE Dropper 130MM (S) / 150MM (M) / 170MM (L) °Value not published by the brand BRUTE Dropper °Value not published by the brand

° Value not published by the brand

Where to buy them

Compare the whole Sunn Kern range

Frequently asked questions

Which is lighter, Sunn Kern Finest SRAM Eagle 90 T Type 12v or Sunn Kern S1 SRAM GX Eagle 12v Lunar?

Sunn Kern S1 SRAM GX Eagle 12v Lunar weighs 15.2 kg, Sunn Kern Finest SRAM Eagle 90 T Type 12v 15.5 kg, as their brands give them.

What groupset do Sunn Kern Finest SRAM Eagle 90 T Type 12v and Sunn Kern S1 SRAM GX Eagle 12v Lunar come with?

Sunn Kern Finest SRAM Eagle 90 T Type 12v: SRAM Eagle 90 T-Type. Sunn Kern S1 SRAM GX Eagle 12v Lunar: SRAM GX Eagle Lunar 12v.

Other comparisons

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