SEET HardFour 2.0

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The SEET HardFour 2.0 is a reliable and stylish companion for all kids. Its harmonised equipment means you don’t have to do without comfort or safety on any adventure. The 24-speed gear combination from Shimano and the powerful disc brakes are standard fitting as is the suspension fork in front to ensure a constant level of shock absorption.


  • Brakes


    Tektro M282

  • Shifting system

    Shifting system

    Shimano Altus M310, 24-Speed

  • Suitable body height

    Suitable body height

    From 140cm


    • Frame family

      Haibike, Seet HardFour, Aluminium 6061

    • Fork

      SR Suntour, XCT JR, Steel spring, Travel= 80 mm, Steel steerer tube 1 1/8", Quick release 100mm

    • Brake (front)

      Tektro, M282, 160 mm, 2-piston disc brake

    • Brake (rear)

      Tektro, M282, 160 mm, 2-piston disc brake

    • Tube

      Schrader valve

    • Rim

      XLC, X-430 D-WALL Aluminium

    • Clamping ring

      Internal hexagon, 28.6 mm

    • Rear derailleur

      Shimano, Altus M310

    • Shift lever

      Shimano, Altus M310, Rapidfire, 24 speed

    • Crankset

      Shimano, TY301, 24 - 34 - 42 teeth

    • Bottom bracket

      CH63-2, BSA, 124.5 mm

    • Sprocket

      Shimano, HG200 , 12 - 32 teeth

    • Chain

      KMC, Z72

    • Brake lever

      Tektro, M282, Aluminium

    • Brake disc (front)

      Tektro, TR160

    • Brake disc (rear)

      Tektro, TR160

    • Tyre

      CST, C-1807 Ouster, 57-507, 24" x 2.25"

    • Front wheel hub

      Haibike Components, TheHub +, 6-bolt standard

    • Rear wheel hub

      Haibike Components, 6-bolt standard

    • 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)

      11.9 kg

    • Permitted total weight

      80.0 kg