How many pieces are in the 12-Tooth Black Double Conical Wheels (Pack of 25)?

12-Tooth Black Double Conical Wheels (Pack of 25) contains 25 pieces.

What age is the 12-Tooth Black Double Conical Wheels (Pack of 25) recommended for?

This set is recommended for ages 18+.

🏛 Technic

Set #991327

12-Tooth Black Double Conical Wheels (Pack of 25)

Name: 12-Tooth Black Double Conical Wheels (Pack of 25)
Brand: LEGO
SKU: 991327-1

The 12-Tooth Black Double Conical Wheels (Pack of 25) is a foundational Technic part.

🏆 Best For: Technic builders and MOC designers ⏱ 0.5 hr build 🧩 25 pcs

★★★★☆ 4.0

A practical parts pack essential for Technic builders, though not a 'set' in the traditional sense. Fans appreciate having a bulk supply of this gear for their creations.

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📝 Our Take

The 12-Tooth Black Double Conical Wheels (Pack of 25) is a foundational Technic part. These gears are essential for building complex mechanisms and power transmission systems in LEGO Technic models, making them a must-have for any serious Technic builder.

This set is perfect for Technic enthusiasts and MOC builders. With 25 identical gears, you'll have plenty of components to experiment with gear ratios, differentials, and other advanced mechanical functions.

Skip this if you're not into Technic or building mechanical models. If you prefer standard LEGO System bricks and simpler builds, these gears won't be of much use to you. Consider LEGO Classic sets for a wider variety of basic bricks.

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What gear ratios can I achieve with these 12-tooth gears? How can I use these gears to build a differential? Are these gears compatible with older Technic sets? Where can I find instructions for building gearboxes?

🧱 Building Experience

🧩

Pieces

⏱

0.5h

Build Time

📊

Beginner

Difficulty

Build Highlights:

Understanding gear ratios and mechanical advantage
Integrating gears into custom Technic models
Experimenting with different gear configurations
Learning about power transmission in LEGO models

📈 Investment Analysis

→ Price stable

Investment Grade

⏳ Active

As a basic Technic element, this pack of gears is unlikely to see significant appreciation in value. Its value lies in its utility for builders rather than its rarity or collectibility. However, having a stock of these gears can be beneficial for completing vintage sets or MOC projects, potentially saving money in the long run compared to buying individual gears on the secondary market.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

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This pack of gears is a basic component, so there aren't direct comparisons to complete sets. However, consider purchasing larger Technic sets with diverse gear assortments if you need a wider variety of gear sizes and types.

📦 Full Parts Inventory - 1 unique parts • 25 total pieces

Technic Gear 12 T...

Part #: 32270 25× Black

This set provides a bulk supply of a very useful Technic gear. Black is a versatile color, making these gears suitable for a wide range of Technic models and MOCs.