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2025 SUNN

SKILL S1

A 650b aluminum frame commuter e-bike with mid-range components and shimano hydraulic disc brakes.
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Manufacturer Price

€2,899($3,371)
FrameAluminum
SuspensionHardtail, 100mm
Wheels650b Aluminum
Drivetrain1 × 10
GroupsetCUES
MotorBosch 250W 75Nm mid-drive
BatteryBosch 500Wh
BrakesShimano Hydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

28 mph

SKILL S1

31 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full SKILL model range

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Sizing
SM

5'2" – 5'7"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

🐐 Estimated

Rider Fit Notes

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Geometry
Specs
Build
Frame

ALLOY 6061 OPEN FRAME INTEGRATED POWERTUBE FULL INTERNAL CABLE ROUTING INTEGRATED RACK

Fork

ZOOM 860S 29 AMS 100MM

Travel: 100mm

Saddle

SELLE ROYAL ESSENZA

Seatpost

AL 6061 31.6x350MM

Type: Rigid

Groupset
Rear Derailleur

SHIMANO CUES RD-U6020, 10V

Crank

38T WITH BASHGUARD MIRANDA CLASSIC 165MM

Cassette

SHIMANO CS-LG300 10V 11-39

Brakes

SHIMANO MT200 160/160

Type: Shimano Hydraulic Disc

Wheels
Rims

MACH1 KARMA DISC 21C 32T

Front Hub

6 TROUS DISC

Rear Hub

6 TROUS DISC

Tires

SCHWALBE SUPER MOTO X 27,5 x 2,40

Electric Components
Motor

BOSCH SMART SYSTEM PERFORMANCE LINE 250W/75Nm

Battery

BOSCH POWERTUBE 500Wh

Rider Notes
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First added December 12

Last updated March 22

Not listed for 71 days