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2025 SUNN

SKILL 400

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

€2,499($2,906)
FrameAluminum
SuspensionHardtail, 80mm
Wheels650b Aluminum
Drivetrain1 × 9
GroupsetAltus
MotorBosch 250W 50Nm mid-drive
BatteryBosch 400Wh
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 400

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 27.5” INTEGRATED POWERTUBE HORIZONTAL INTERNAL CABLE ROUTING INTEGRATED RACK

BB Standard: Bosch, Press Fit

Fork

ZOOM 860 S -29 AMS 80MM

Travel: 80mm

Bottom Bracket

Bosch, press-fit

Saddle

SELLE ROYAL ESSENZA

Seatpost

AL 6061 31.6x350MM

Type: Rigid

Groupset
Rear Derailleur

SHIMANO ALTUS M2000 SGS 9v

Crank

SUNN 38T for BOSCH

Cassette

SHIMANO HG200 9v 11-36

Brakes

SHIMANO MT200 160/160

Type: Shimano Hydraulic Disc

Wheels
Rims

MACH1 TRAXX DISC 21c 32T

Front Hub

6 TROUS DISC

Rear Hub

6 TROUS DISC

Tires

27,5 x 2,50

Electric Components
Motor

BES2 BOSCH ACTIVE LINE PLUS 250W/50Nm

Battery

BOSCH POWERTUBE 400Wh

Rider Notes
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First added December 12

Last updated March 22

Not listed for 71 days