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    MSRP
    $2,699
    Where to Buy
    $1

    At

    Category
    Commuter, E-Bike
    Weight
    10.5 lbs
    5.0
    Frame
    Aluminum
    Steel
    Wheels
    Aluminum
    Wheel Size
    20″
    Hydraulic Disc
    Bafang hub-drive
    1040Wh
    Altus
    Drivetrain
    1 × 7
    Suspension
    Hardtail
    Front Travel
    120mm
    Brand Site
    Summary
    The C3STROM Astro Pro is a 20″ aluminum frame commuter e-bike with modest components and hydraulic disc brakes.

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    Insights
    Gear Range

    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)

    30 mph

    Astro Pro

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Frame

    6061 Aluminum Alloy

    Fork

    Unbranded Double Crown Spring Suspension, 120 mm Travel, Hydraulic Lockout, Preload Adjust, 34 mm Steel Stanchions, 135 mm Hub Spacing, 10 mm Axle with Nuts

    Travel120mm

    Spring TypeCoil

    Headset

    Integrated, Sealed Cartridge, Straight 1-1/8"

    Stem

    Promax, Aluminum Alloy, 6° Angle, 40 mm Length, 20 mm Spacer

    Handlebar

    Custom Aluminum Alloy, Mid-Rise, 20° Backsweep, 10° Downsweep, 95 mm Height, 740 mm Length

    Saddle

    Custom Motorcycle Style, Gel Insert

    Pedals

    Wellgo Aluminum Alloy Platform with Fixed Pins

    Grips

    Flat Rubber, Locking, Black

    Groupset
    Rear Derailleur

    1x7 Shimano Altus

    Crank

    Prowheel, Forged Alloy, Bafang Sealed Bearing BB, Square Tapered Spindle, 170 mm Length, 56 Tooth Aluminum Alloy Chainring and Guard

    Shifters

    Shimano RevoShift Half-Grip Twist on Left (Optical Gear Window is Upside Down)

    Cassette

    Nickle Plated DNP 11-34 Tooth

    Brakes

    Motorcycle Hydraulic Disc with 180 mm Rotors, Quad-Piston Calipers with Resin Composite Pads, Three-Finger Levers with Adjustable Reach and Motor Inhibitors and Brake Light Activation

    TypeHydraulic Disc

    Wheels
    Rims

    20"

    Spokes

    12 Cast Arms

    Tires

    Motorcycle Style Kenda Kraze K1032, 20" x 4.25" (98-406)

    Electric Components
    Motor

    Type: Hub, Output: 750, Details: Bafang RM G0F4.1000.D, Weight: 8.16 lbs (3.7 kg)

    Battery

    Watt Hours: 1040 Wh, Details: Reention Dolphin Pack with Samsung 21700 Cells (56 5,000mAh Cells), 14S4P 52 Volt, Lithium-ion, 20 Amp Hrs, 10.48 lbs, Weight: 10.48 lbs (4.75 kg)

    Display

    Cloud Drive Display, Fixed, Adjustable Angle, 3.5" Grayscale, Backlit LCD

    Accessories
    Lights

    Yes

    Fenders

    Yes

    Racks

    Yes

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