* Similar to illustration / may contain special equipment.

SEET HardFour 1.0

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Our SEET HardFour 1.0 is perfectly tuned to the needs of ambitious young bikers. The SR Suntour suspension fork absorbs rough hits at the front and thanks to the 21-speed Shimano groupset, they can master even steep uphill and downhill rides with ease.


  • Brakes


    XLC V-Brake / backpedal brake

  • Shifting system

    Shifting system

    Shimano Tourney TY300, 21-Speed

  • Suitable body height

    Suitable body height

    From 140cm

  • Brake lever

    Brake lever

    Aluminium lever, adjustable grip width


    • Frame family

      Haibike, Seet HardFour, Aluminium 6061

    • Fork

      SR Suntour, M3010, Steel spring, Travel= 40 mm, Steel steerer tube 1 1/8"

    • Brake (front)

      XLC, V-Brake

    • Brake (rear)

      XLC, V-Brake

    • Tube

      Schrader valve

    • Rim

      XLC, FREEWAY D-WALL, hollow rim, Aluminium

    • Clamping ring

      Quick release, 31.8 mm

    • Rear derailleur

      Shimano, Tourney TY300

    • Shift lever

      Shimano, RS36, Twist shifter, 21 speed

    • Crankset

      Shimano, TY301, 24 - 34 - 42 teeth

    • Bottom bracket

      CH63-2, BSA, 124.5 mm

    • Sprocket

      Shimano, TZ500, 14 - 34 teeth

    • Chain

      KMC, Z51

    • Brake lever

      aluminium lever, adjustable grip width,

    • Tyre

      H-5129 Victory, 52-507, 24" x 2.10"

    • Front wheel hub

      KT, A15F

    • Rear wheel hub


    • Spokes


    • Handlebar

      Haibike Components, The Bar Kids, 560 mm

    • Grips


    • Stem

      Haibike Components, The Stem Kids, A-head, Bar bore: 25.4 mm, 15°

    • Headset

      Feimin, A-Head 1 1/8", ball bearing

    • Saddle

      Haibike Components, TheSaddle Junior

    • Seat post

      Haibike Components, TheSeatpost, Patent, 27.2 mm, Aluminium

    • Pedals

      Feimin, Plastic, FP-806B, Anti Slip

    • Weight (kg)

      12.9 kg

    • Permitted total weight

      80.0 kg

* The illustration above is an example. We reserve the right, as long as the type, suitability and purpose of the bike are not reduced, to replace individual parts with components of the same or higher quality, so that the bike is delivered differently. The use of other components is currently mainly caused by delivery problems due to the Corona pandemic.