Back to Technic Wedge Belt Wheel [aka Pul…
Small Gear Wheels (9900-1) is a Technic LEGO set released in 1999 with 21 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Technic sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 9 unique part types.
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Parts in this set
9 parts · updating…
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Motor Pulley, 9V Micromotor with axle hole2983 · ×2 · Light Gray -
Technic Gear 14 Tooth Bevel4143 · ×4 · Light Gray -
![Technic Gear 16 Tooth with Round Holes [Old Style]](https://cdn.rebrickable.com/media/parts/ldraw/7/4019.png)
Technic Gear 16 Tooth with Round Holes [Old Style]4019 · ×2 · Light Gray -
![Technic Gear 24 Tooth [New Style with Single Axle Hole]](https://cdn.rebrickable.com/media/parts/elements/364802.jpg)
Technic Gear 24 Tooth [New Style with Single Axle Hole]3648b · ×2 · Light Gray -
![Technic Gear 24 Tooth Crown with Reinforcements [New Style]](https://cdn.rebrickable.com/media/parts/elements/365002.jpg)
Technic Gear 24 Tooth Crown with Reinforcements [New Style]3650c · ×2 · Light Gray -
Technic Gear 8 Tooth3647 · ×3 · Light Gray -
Technic Gear Rack 1 x 43743 · ×2 · Light Gray -
![Technic Wedge Belt Wheel [aka Pulley]](https://cdn.rebrickable.com/media/parts/elements/4100502.jpg)
Technic Wedge Belt Wheel [aka Pulley]4185 · ×2 · Light Gray -
Technic Worm Gear4716 · ×2 · Black