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    MSRP
    $1,999
    Where to Buy
    $1

    At

    Category
    Long Tail Cargo, E-Bike
    Weight
    76.7 lbs
    Frame
    Aluminum
    Steel
    Wheels
    Aluminum
    Wheel Size
    22″
    Tektro Mechanical Disc
    750W hub-drive
    672Wh
    Shimano
    Drivetrain
    1 × 7
    Brand Site

    radpowerbikes.com

    Summary
    The Rad Power Bikes RadWagon 4 is a 22″ aluminum frame long tail cargo e-bike with modest components and tektro mechanical 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)

    27 mph

    RadWagon 4

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    6061 aluminum

    Tire Clearance4"

    ColorsOrange; Black; White

    Fork

    Rigid steel fork for 22" wheel

    Bottom Bracket

    84 mm

    Headset

    Semi-integrated, 1-1/8" straight steerer tube

    Stem

    Satori EZ3 AHS toolless adjustable handlebar stem with built in top cap bolt. Reach, height (stack), and handlebar angle adjustment (80 degrees) with press of a button/lever lift.

    Handlebar

    Swept-back, RPB custom

    Saddle

    Plush with lifting handle

    Seatpost

    Telescoping, max length = 375 mm x 34.9 mm

    TypeRigid

    Pedals

    forged aluminum platform with reflectors, standard 9/16" x 20 TPI threading

    Grips

    comfort rubber ergo grips

    Groupset
    Rear Derailleur

    7-speed Shimano

    Crank

    46T chainring; 170 mm crank length; square-taper J.I.S.; dual-sided chainring guard

    Shifters

    Shimano thumb shifter, 7-speed

    Cassette

    7-speed freewheel, 11-34T

    Chain

    KMC Z7

    Brakes

    Tektro Aries (MD-M300)

    TypeTektro Mechanical Disc

    Brake Levers

    Aluminum alloy comfort grip levers with motor cutoff switch

    Wheels
    Rims

    Shinning DB-X50, alloy, double wall, black powder coated, 36 hole, Rim width: 45mm

    Spokes

    12 gauge, stainless steel

    Tires

    Rad Power Bikes, custom 22" x 3"

    Disc Rotors

    Tektro 180 mm front and rear

    Electric Components
    Motor

    Geared Hub Motor with 5:1 Planetary Reduction. Stated wattage is the manufacturer’s rated power capacity. Actual power-to-ground wattage is under 750W to ensure ebike regulatory compliance and may vary depending on riding conditions.

    Battery

    672 Wh

    Display

    Backlit LCD with charge indicator, speedometer, odometer, trip odometer, pedal assist level, wattmeter, and more

    Charger

    48V, 2 Amp Rad Power Bikes smart charger, operates on 100V-240V AC power outlets

    Accessories
    Lights

    Auto-on feature, Front: Rad Power Bikes branded standard LED 20 lux (~200 Lumens), Rear: Integrated taillight with brake light indicator functionality

    Fenders

    Full coverage front and rear fenders with hardware included

    Racks

    120 lb (54 kg)

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