LEGO Sets

Gear Rack and Wheels, Wedge-Belt and Crown Wheels

other • 20 pcs

Set number: 5241-1
Availability: In production
Pieces: 20
Released: 1987
Theme: Other

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Lore

Why it matters

These mechanical components from the LEGO Technic line represent the foundational building blocks of motion transmission, allowing builders to experiment with gear ratios and torque. Collectors prize these sets for their utility in complex kinetic models, as they provide the essential bridge between static brick building and functional engineering.

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Provenance

Where it came from

The Gear Rack and Wheels, Wedge-Belt and Crown Wheels set, designated 5241-1, was released as part of the LEGO Technic educational series during the early 1990s. It was designed primarily as a resource for schools and technical training environments, functioning as an add-on pack intended to introduce students to complex mechanical concepts such as torque transmission, gear ratios, and rotational energy transfer.

The components within this set—specifically the crown gears and the wedge-belt system—represent a departure from standard brick-based construction, emphasizing the functional engineering capabilities of the Technic system. The development of these specialized parts was driven by the LEGO Group's desire to expand the educational utility of their platform, moving beyond static models into the realm of working physical prototypes. The set was generally well-received by educators for its durability and its effective demonstration of foundational mechanical engineering principles.

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About

About Gear Rack and Wheels, Wedge-Belt and Crown Wheels

Gear Rack and Wheels, Wedge-Belt and Crown Wheels is a set in the LEGO Sets catalog on collecto.rs. Other • 20 pcs. Catalog data is sourced from Brickset. No public sets collectors track this one yet — adding yours would make you the first on collecto.rs.

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Where does the Gear Rack and Wheels, Wedge-Belt and Crown Wheels catalog entry come from?

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