
Sunn Exact S2
Build Shimano Cues

Sunn Exact S2
cross-country hardtail mountain bike, aluminium frame, 29" wheels, 1×10 drivetrain, entry level equipment
Key specs
- Model year
- 2026
- Weight
- 14.6 kg
- Frame
- Aluminium
- Suspension
- Hardtail, 100 mm
- Fork model
- ROCKSHOX JUDY SILVER TK, 100MM
- Wheelset
- 29" · MACH 1 ER20 DISC, 19MM
- Drivetrain
- 1×10
- Groupset
- Shimano Cues
- Brake model
- SHIMANO MT200 160/160
- Seatpost
- Rigid · AL 6061 27.2X350MM
SHIMANO CUES RD-U6020 10V
Spec sheet
Every value is read on the brand’s page; hover it to see its source and date.
Ride type
- Discipline
- Cross-country
- Suspension
- Hardtail
Frame and fork
- Frame
- Aluminium
Suspension
- Fork travel
- 100 mm
- Fork model
- ROCKSHOX JUDY SILVER TK, 100MM
Drivetrain
- Groupset brand
- Shimano
- Groupset
- Shimano Cues
- Shifting
- Mechanical
- Chainrings
- 1
- Gears at the back
- 10
- Chainring teeth
- Shimano CUES FC-U4000-1 32T
- Cassette
- SHIMANO CS-LG300-10 11-48T
- Rear derailleur
- SHIMANO CUES RD-U6020 10V
SHIMANO CUES RD-U6020 10V
SHIMANO CUES RD-U6020 10V
SHIMANO CUES RD-U6020 10V
Brakes
- Brakes
- Hydraulic disc
- Brake model
- SHIMANO MT200 160/160
Shimano Disque hydraulique
Wheels and tyres
- Wheel size
- 700c / 29"
- Wheelset
- MACH 1 ER20 DISC, 19MM
- Rims
- Aluminium
- Tyres
- MAXXIS IKON 29X2.20
- Tyre width fitted
- 2.2 mm
Cockpit and seatpost
- Seatpost
- Rigid
- Handlebar
- AL 6061 / DIA : 31.8MM
- Stem
- AL 6061 / DIA : 31.8MM
- Seatpost model
- AL 6061 27.2X350MM
Weight
- Weight
- 14.6 kg
Geometry
- Geometry size
- M
- Stack
- 610 mm
- Reach
- 407 mm
- Head angle
- 69 °
- Seat angle
- 73 °
- Chainstays
- 450 mm
- Wheelbase
- 1,125 mm
Spec sheets read at: sunn.fr
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 made for very smooth ground, very stable, short gearing, entry-level equipment. »
Made for smooth ground, more than other cross-country mountain bikes.
Steadier at speed than most other cross-country mountain bikes.
Gearing
- This bike: Exact S27 km/h - 31 km/h
- Average of other cross-country mountain bikes8 km/h - 40 km/h
From 7 km/h in its easiest gear to 31 km/h in its hardest.
Not enough data yet for the Equipment level chart: it fills in once the sheet is complete.
Geometry
3 sizes: S, M, L.
| Geometry of the Exact S2 per size | |||
|---|---|---|---|
| Reach (mm) | 387 | 407 | 431 |
| Stack (mm) | 600 | 610 | 620 |
| Top tube (effective) (mm) | 570 | 595 | 620 |
| Seat tube (mm) | 400 | 450 | 500 |
| Head tube (mm) | 105 | 110 | 120 |
| Head angle (°) | 69 | 69 | 69 |
| Seat angle (°) | 73 | 73 | 73 |
| Chainstays (mm) | 430 | 450 | 450 |
| Wheelbase (mm) | 1,078 | 1,125 | 1,151 |
| Front centre (mm) | 653 | 680 | 706 |
| Standover (mm) | 746 | 777 | 797 |
| Trail (mm) | 130 | 127 | 128 |
The range
Comparable mountain bikes
Who is it for?
The sports the brand announces, and the features that go with them.
Cycling
- Discipline: Cross-country
- Suspension: Hardtail
- Fork travel: 100 mm
- Wheel size: 700c / 29"
Frequently asked questions
Is the Sunn Exact S2 a hardtail or a full suspension?
Hardtail, according to the brand.
How much travel does the Sunn Exact S2 fork have?
100 mm, according to the brand.
Does the Sunn Exact S2 come with a dropper post?
Seatpost: Rigid, according to the brand.





