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    WOOM OFF 4 20" Pedal Bike

    Woom OFF 4

    Get out and explore 

    The 20" woom OFF 4 is the perfect first mountain bike for kids age 6-8 years and height 46-51 inches. Whether they're taking on the pump track or exploring forests and fields, this superlight and sturdy bike will help them progress in their mountain biking journey. With high-quality components and tubeless-compatible rims and tires, the woom OFF 4 offers exceptional value in its category. Don't miss out on this opportunity to inspire and empower your young rider!

    Woom OFF Air 4 comes with front suspension, 9 gears and disc brakes designed for children aged 6 years and over.


    Tire/Wheel  20"
    Handlebar height   31.5"
    Steering Angle   68°
    Top Tube Horizontal    18.1"
    Wheelbase   33.5"
    Seat Tube Angle  70°
    Minimum Saddle Height   22.8"
    Maximum Saddle Height  28.7"
    Crankarm Lenght  4.33"
    Handlebars adjustability   Angle +/-15°; Height +/- 0.47″


    Frame material: lightweight, high-quality 6061 T6 aluminum with butted and hydroformed tubes.
    20″ wheels
    Sporty handling: an easy-access low top tube, low centre of gravity and long wheelbase provide good balance and make for a fun, safe riding experience
    Light carbon fork
    1″ – 1 1/8″ baby taper shaft
    100 x 15 mm through axles
    Post mount for disc brake
    9 speeds
    SRAM trigger shifter
    SRAM X5 derailleur
    Fully integrated 1″ – 1 1/8″ headset
    Sealed industrial bearings
    Forged aluminum
    Handlebars attached via two clamps - +/-15° flip-flop design to adjust handlebar height
    Length: 50 mm
    Wide, ergonomically adapted and lightweight aluminum bars for more control
    Sandblasted and silver anodised
    Width: 580 mm
    Rise: 20 mm
    Child-friendly thanks to small diameter
    100% silicon for maximum grip
    Single-clamp grip to prevent twisting
    Safety zone: extra rubber on the palm-facing portion of the grip for added comfort
    Lightweight, forged aluminum, 4.3" (110 mm), kid-specific cranks with narrow tread (Q-factor)
    Narrow-wide chainring with 28 teeth in the front
    assette with 11-32 teeth in the back
    Flat pedals made from fiber-reinforced nylon
    Chromoly axle and sealed, industrial ball bearings
    Hydraulic disc brakes from Promax
    Disc diameter front/back: 140/140mm
    Ergonomic brake levers designed for children's hands
    Tubeless-compatible Alexrims wheelset
    Aluminum hubs with sealed industrial bearings
    Thru axles for maximum torsional strength (100 x 15 mm front and 135 x 12 mm rear)
    20 G14 spokes, double-crossed spoking
    Aluminum nipples
    20 x 2.25″ Schwalbe Rocket Ron with ADDIX SPEED rubber compound
    Quality mountain bike tires with low rolling resistance, maximum grip, good shock absorption, and excellent durability
    Presta valves, tubeless conversion ready
    Ergonomically designed to fit children's anatomy
    Side protection to lean against walls
    27.2 x 250 mm
    Anodised aluminum seatpost with insertion marks that indicate the minimum insertion depth
    Seatpost clamp
    Quick-release seatpost clamp for easy adjustments
    Enclosed tools
    4 mm hex key for stem and seatpost clamp
    8 mm hex key for front wheel and pedals
    Bike Weight
    Bike weight: 18.5 lbs | OFF Air Bike weight: 20.9 lbs.
    Max weight: 110 lbs combined weight of the Rider and cargo