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    100mm Drive Wheel - 50A - 25mm wide - 1/2" Inner Hex - Blue

    The 100mm (4") Drive Wheel can be used as a simple wheel providing good traction on carpet and tile flooring. They can also be used for intake systems.

    Use with 1/2" hex shaft of use 6mm Shaft Hub to use connect 6mm D-Shaft Axles.


    • Diameter:   100mm (4")
    • Axial width:  25mm 
    • Hub:  1/2" Inner Hex
    • Inner Material: Molded Plastic in Yellow
    • Outer Material: TPU Polyurethane in Blue
    • Outer Material Durometer: 50A
    • Weight: 0.068kg
    • Step File
    MFR Part #: 76262
    Availability: 791 in stock

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    12V 3,000 mAh NiMH Battery Pack, PP45

    (2203 In stock)

    The Studica 12V 3,000 mAh NiMH (nickel metal hydride) Battery Pack, PP45 comes with a w/20 amp fuse. It is a 10-cell, 12-volt rechargeable battery that brings long-lasting power to motors and electronics that are used in the WorldSkills Mobile Robotics Collection. The Studica NiMH Battery Pack Charger, PP45, is required to charge the battery.




    • Dimmensions: 5 x 2.1 x 2.1 inches (115 mm x 45 mm x 50 mm)
    • Weight: 1.32lbs (579 g)
    • Built-in 20-amp replaceable fuse for safety
    • 10-cell pack provides 3,000-mAh capacity for longer life
    • PP45 connector for easy and safe connection to controller
    • Step File


    48mm Low Profile U-Channel

    (515 In stock)

    The Studica Low Profile U Channel is 3mm thick and has a 48mm x 14mm profile. As with the other Studica Robotics building components, it has the common hole pattern which makes it easy to connect to other structure with very little or no additional machining required. You can easily connect to other channel, extrusions, bushings, bearing, mounting brackets and more so you can quickly assemble and disassemble robots and automated systems.


    • Material: 6061-T6 Aluminum
    • Thickness - 3mm
    • Height - 14mm
    • Width - 48mm
    • Length - 48mm
    • Hole pattern - 1
    • Step File


    6mm D Shaft Low Profile Clamping Hub

    (1773 In stock)



    Φ29.0mm*16.0mm thick
    6*M3 thread tapping through
    (including 2*M3 thread for M3 SHCS)
    Φ6.0mm D hole

    Compact Linear Slide Extension Spring


    Steel Extension Spring with Loop Ends.  As this spring is stretched, it gets harder to pull.  Be aware of the maximum load as it may break with more than this force applied.


    This one is 1 in. long and is used in the Compact Linear Slide



    • Material: Music-Wire Steel
    • Maximum Load (lbs.): 3.64
    • Outside Diameter: 0.25 in.
    • RoHS: RoHS 3 (2015/863/EU) Compliant

    TETRIX MAX TorqueNADO Motor Gearbox 20:1

    (37 In stock)

    These gearboxes are designed with the same 37 mm diameter as the original 60:1 gearbox, while using the same 6 mm D-shaft and alignment pins, so getting the additional speed you need is a breeze.

    6mm Shaft Hub (4 pack)

    (794 In stock)

    The 6mm Shaft hub is used to connect any Studica wheel and the Studica motor or any motor with a 6mm shaft.


    • Material: 6061-T6 Aluminum
    • 6mm ID
    • Hole pattern for connecting to structure
    • Step File