
Sunn Kern S1

Sunn Kern S1
all-mountain full suspension mountain bike, aluminium frame, 29" wheels, 1×12 drivetrain, mid-range equipment
Key specs
- Model year
- 2026
- Weight
- 15.2 kg
- Frame
- Aluminium
- Suspension
- Full suspension, 150 / 140 mm
- Fork model
- Marzocchi Bomber Z2 150mm
- Shock
- Marzocchi Bomber Air 185x50 Trunnion
KERN ALLOY 6069 EDGE TUBING BOOST 140MM
Débattement 150/140 ; amortisseur MARZOCCHI BOMBER AIR 185X50 TRUNNION
- Wheelset
- 29" · e*thirteen LG1 EN 30mm 32T
- Drivetrain
- 1×12
- Groupset
- SRAM GX Eagle Lunar 12v
- Brake model
- Formula Cura 2 203/180mm
- Seatpost
- Dropper · BRUTE Dropper
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.
« Mountain bike very demanding, average equipment. »
Built for rougher ground than most other mountain bikes.
Not enough data yet for the Handling chart: it fills in once the sheet is complete.
Not enough data yet for the Gearing chart: it fills in once the sheet is complete.
Not enough data yet for the Equipment level chart: it fills in once the sheet is complete.
Spec sheet
Every value is read on the brand’s page; hover it to see its source and date.
Ride type
- Discipline
- All-mountain
- Suspension
- Full suspension
Débattement 150/140 ; amortisseur MARZOCCHI BOMBER AIR 185X50 TRUNNION
Frame and fork
- Frame
- Aluminium
KERN ALLOY 6069 EDGE TUBING BOOST 140MM
Suspension
- Fork travel
- 150 mm
- Rear travel
- 140 mm
- Fork model
- Marzocchi Bomber Z2 150mm
- Shock
- Marzocchi Bomber Air 185x50 Trunnion
Drivetrain
- Groupset brand
- SRAM
- Groupset
- SRAM GX Eagle Lunar 12v
- Shifting
- Mechanical
- Chainrings
- 1
- Gears at the back
- 12
- Chainring teeth
- SRAM GX Eagle Lunar CL55
- Cassette
- SRAM SX Eagle 11-50
- Rear derailleur
- SRAM GX EAGLE 12V LUNAR
SRAM GX EAGLE 12V LUNAR
SRAM GX EAGLE 12V LUNAR
Brakes
- Brakes
- Hydraulic disc
- Brake model
- Formula Cura 2 203/180mm
- Front rotor
- 203 mm
- Rear rotor
- 180 mm
Formula Cura Disque hydraulique
Wheels and tyres
- Wheel size
- 700c / 29"
- Wheelset
- e*thirteen LG1 EN 30mm 32T
- Rims
- Aluminium
- Tyres
- Maxxis Assegai 29x2.5 EXO / Maxxis Aggressor 29x2.3 EXO
- Tyre width fitted
- 64 mm
MAXXIS ASSEGAI 29x2.5 EXO
Cockpit and seatpost
- Seatpost
- Dropper
- Handlebar
- BRUTE ONE CNC 31.8 X 40MM
- Stem
- BRUTE ONE CNC 31.8 X 40MM
- Seatpost model
- BRUTE Dropper
BRUTE Dropper
Weight
- Weight
- 15.2 kg
Spec sheets read at: sunn.fr
The range
Comparable mountain bikes
Who is it for?
The sports the brand announces, and the features that go with them.
Cycling
- Discipline: All-mountain
- Suspension: Full suspension
- Fork travel: 150 mm
- Wheel size: 700c / 29"
Frequently asked questions
Is the Sunn Kern S1 a hardtail or a full suspension?
Full suspension, according to the brand.
How much travel does the Sunn Kern S1 fork have?
150 mm, according to the brand.
Does the Sunn Kern S1 come with a dropper post?
Seatpost: Dropper, according to the brand.



