![Technic Wedge Belt Wheel [aka Pulley]](https://cdn.rebrickable.com/media/parts/elements/4100502.jpg)
The O-Ring and Pulley Wheels set is a fundamental Technic resource pack.
The O-Ring and Pulley Wheels set is a fundamental Technic resource pack. Released in 2002, this set provides essential components for building functional models with moving parts, focusing on power transmission through belts and pulleys.
This set is perfect for educators, Technic enthusiasts, and anyone looking to expand their collection of functional elements. The variety of wheels and belts allows for experimentation with gear ratios and mechanical systems.
Skip this if you're seeking a complete model-building experience with instructions. This set is purely a parts pack; consider Technic starter sets or individual models for guided building.
AI assistant with full set data
Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer
LEGO YouTubers showcase the use of O-Ring and Pulley Wheels (970660-1) in complex gear systems and large-scale builds like the Liebherr LR 11000 crane. While reviews are neutral, they demonstrate the part's utility in creating intricate mechanical functions and achieving significant gear reductions.
Brick Experiment Channel uses the part in a massive gear reduction build, while Dawid Szmandra's Cranes integrates it into a large remote-controlled crane model. Lego Chest focuses on the functionality of LEGO gears and their applications, offering general information rather than a specific part review.
Inventory Statistics
