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    ST32020 Stromer
    Recommended
    MSRP
    $7,499
    Where to Buy
    —
    $1

    At

    Category
    		Commuter, E-Bike
    Weight
    		71.8 lbs
    Frame
    		Aluminum
    Wheels
    		Aluminum
    Wheel Size
    		650b
    		TRP Hydraulic Disc
    		600W 44Nm hub-drive
    		814Wh
    		microSHIFT, FSA
    Drivetrain
    		1 × 11
    Suspension
    		Hardtail
    Front Travel
    		30mm
    Brand Site
    Summary
    		The Stromer ST3 is a 650b aluminum frame commuter e-bike with modest components and trp 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)

    39 mph

    ST3

    Highest gear

    (descending)

    Geometry
    Specs
    ST32020 Stromer
    Frame

    6061 Aluminum Alloy

    Fork

    Custom WREN Inverted Air Suspension Fork, 30mm Travel, Manual Pressure Adjust, 36mm Black Anodized Stanchions, Boost 110mm Hub Spacing, 15mm Thru-Axle with 8mm Hex Bolts

    Travel: 30mm

    Spring Type: Air

    Headset

    Integrated, Sealed Cartridge, Tapered 1-1/8" to 1-1/2" (44mm to 56mm Outer Diameter)

    Stem

    Sporty Urban Stem: +5° Rise 105mm Length, Comfortable Urban Comfort Stem +20° Rise 110mm Length, No Spacers, 31.8mm Clam Diameter

    Handlebar

    Custom Aluminum Alloy, 0mm Rise, 20mm Back Sweep, 680mm Width

    Saddle

    Ergon SFC30, Gel, Sized to Match Frame

    Seatpost

    Rigid Aluminum Alloy (Double Bolt Saddle Clamp), Tapered Aluminum Alloy Shim (38.7mm to 31.6mm)

    Type: Rigid

    Pedals

    Aluminum Alloy Platform with Fixed Diamond Pins, B233 K79

    Grips

    Custom Ergon GS1 Ergonomic, Black, Outer Lock Ring

    Groupset
    Crank

    FSA Gossamer, Forged Aluminum Alloy, 170mm Length, Hollow Spindle, 52 Tooth Narrow-Wide Chainring with Alloy Guard

    Shifters

    Shimano XT/SLX Microshift 11 Triggers on Right (One-Way High Lever, Four-Shift Low Lever)

    Cassette

    11 Speed 1x11 Shimano Deore XT Derailleur with DYNA-SYS11 and One Way Clutch, 11-42 Tooth Cassette

    Brakes

    TRP HD942 Hydraulic Disc with 203mm Carbon Steel Rotors, TRP Quad-Piston Caliper Front and TRP Dual-Piston Caliper Rear, Three-Finger Levers with Ball-Ends and Brake Light Activation and Recoup Regen Activation

    Type: TRP Hydraulic Disc

    Wheels
    Rims

    Stromer ST3 Branded ALEXRIMS, Aluminum Alloy, Double Wall, 584x35, 28 Hole Front, 32 Hole Rear

    Spokes

    Stainless Steel, 14 Gauge, Black with Nipples

    Tires

    Pirelli Cycl-e ST for Stromer, 27.5" x 2.35" (57-584)

    Electric Components
    Motor

    Weight: 11 lbs (4.98 kg), Brand: SYNO Drive II (TDCM HM-05), Type: Rear-Mounted Gearless Direct Drive Hub, Nominal Output: 600 watts (820 Watt Nominal Output for European Licensed L1e-B Version), Torque: 44 Newton meters

    Battery

    Weight: 10.4 lbs (4.71 kg), Brand: BQ814 Standard Battery, ST1306A 13INR18/65-6, Voltage: 48 volts, Amp Hours: 15.9 ah (Optional 20.5Ah High Capacity Battery, BQ983), Watt Hours: 814 wh (Optional 983Wh High Capacity Battery, BQ983), Chemistry: Lithium-ion

    Display

    Stromer OMNI Color, Top-Tube Integrated, Backlit Color LCD, Capacitive Touch Screen, 2" Diagonal

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