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2023 Diamant

Aurus

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

€2,199($2,557)
Weight55.8 lbs  
FrameAluminum
SuspensionHardtail, 50mm
ForkSuntour NEX
Wheels650b Aluminum
Drivetrain1 × 9
GroupsetAlivio, Altus
MotorBosch 250W 65Nm mid-drive
BatteryBosch 500Wh
BrakesShimano Hydraulic Disc
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Insights
Spec Level

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

Sizing
SM

5'0" – 5'6"

MD

5'4" – 5'10"

LG

5'8" – 6'2"

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

Alpha Gold aluminum, luggage rack and mudguard eyelets, internal cable routing, side stand mount, 135 x 5 mm quick release axle

ColorTiefschwarz

Fork

SR Suntour NEX, coil spring, adjustable spring preload, 50 mm travel, 100 x 5 mm quick release axle

Travel50mm

Spring TypeCoil

Stem

Aluminum, adjustable, 25.4 mm, length 85 mm

Handlebar

Aluminum, 25.4mm clamp, 20mm rise, 630mm width

Saddle

Selle Royal Nuvola

Seatpost

Aluminum, spring-loaded, 31.6 mm, 300 mm length

TypeRigid

Pedals

non-slip pedals with reflectors

Groupset
Rear Derailleur

Shimano Alivio M3100, long cage

Crank

ProWheel, aluminum, 170 mm crank arm length

Shifters

Shimano Altus M2010, 9-speed

Cassette

Shimano HG200, 11-36 teeth, 9-speed

Chain

KMC E9S, 9-speed

Brakes

Shimano MT200 Shimano RT10 hydraulic disc brake, Center Lock disc mount, 180 mm

TypeShimano Hydraulic Disc

Wheels
Rims

Bontrager Connection, hollow chamber rim, 32 holes, 20 mm inner width, Presta valve

Electric Components
Motor

Bosch Performance Line motor, 250 watts, 65 Nm torque, up to 25 km/h

Battery

Bosch PowerPack Performance 500 on the down tube

Display

Bosch Purion

Accessories
Lights

Front: Herrmans MR-GO, 100 lumens, 35 lux, Rear: Spanninga SOLO for e-bike, LED

Racks

MIK compatible luggage rack made of aluminum

Rider Notes
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First added March 28

Last updated May 4

Not listed for 755 days