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2025 SUNN

START S2

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

€2,099($2,441)
FrameAluminum
SuspensionHardtail, 80mm
Wheels650b Aluminum
Drivetrain1 × 8
GroupsetAcera
MotorBosch 250W 40Nm 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

START S2

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.

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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 SEMI INTEGRATED POWERPACK INTERNAL CABLE ROUTING INTEGRATED RACK

Fork

ZOOM 860 S -29 AMS 80MM

Travel80mm

Stem

AL6061 EXT : 60MM-30°-31,8

Handlebar

AL6061 EXT : 60MM-30°-31,8

Saddle

SELLE ROYAL ESSENZA

Seatpost

AL 6061 31.6x350MM

TypeRigid

Groupset
Rear Derailleur

SHIMANO ACERA RD-M3020-8 8v

Crank

FSA CK-220 160MM 38T MIRANDA

Cassette

SHIMANO HG318 8v 11-34

Brakes

SHIMANO MT200 160/160

TypeShimano Hydraulic Disc

Wheels
Rims

MACH1 KARMA DISC 21c 32T

Front Hub

MOYEUX 6 TROUS DISC

Rear Hub

MOYEUX 6 TROUS DISC

Tires

27,5 x 2,50

Electric Components
Motor

SYSTEME/SYSTEM BOSCH SMART SYSTEM ACTIVE LINE 250W/40Nm

Battery

BOSCH POWERPACK 400Wh

Rider Notes
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First added December 12

Last updated March 22

Not listed for 71 days