![Technic Gear 16 Tooth with Round Holes [Old Style]](https://cdn.rebrickable.com/media/thumbs/parts/ldraw/0/4019.png/250x250p.png)
Technic Gear 16 Tooth with Round Holes [Old Style]
4019Technic Gears
Colors
4
Colors
Appears in these sets
Red Five X-Wing Starfighter
2013
Extreme Cruiser
2011
Serious Play / BuildToExpress Mini Kit
2011
WeDo Resource Set
2011
ARC-170 Starfighter
2010
Buggy
2010
Compact Excavator
2010
Mindstorms Education Resource Set
2010
Mobile Crane
2010
Motorbike
2010
Motorized Excavator
2010
Passenger Plane
2010
Passenger Plane - ANA Version
2010
Tractor with Log Loader
2010
Trash Compactor Escape
2010
Crane Truck
2009
Drawbridge Defense
2009
Emerald Night
2009
Front Loader
2009
Go-Kart
2009
Highway Transport
2009
Mini Bulldozer
2009
Simple and Motorized Mechanisms Base Set
2009
Snow Groomer
2009
Thunder Driller
2009
Titanium Command Rig
2009
Tractor with Trailer
2009
Cherry Picker
2008
Dirt Bike
2008
Dune Buggy
2008
Off-Roader
2008
Telescopic Handler
2008
The Twilight - Limited Edition
2008
Ferrari 599 GTB Fiorano 1:10
2007
Motorized Bulldozer
2007
Serious Play Module 1
2007
Crawler Crane
2006
![Education Resource Set [NXT Supplemental Set]](https://cdn.rebrickable.com/media/thumbs/sets/9648-1.jpg/180x180p.jpg)
Education Resource Set [NXT Supplemental Set]
2006
Ferrari F1 Racer 1:8
2006
Mindstorms Education NXT Base Set
2006
Mindstorms NXT
2006
Mini Tractor
2006
Motion Power
2006
Motor Box
2006
Quad Bike
2006
Science & Technology Base Set
2006
The Batmobile Ultimate Collectors' Edition
2006
Tow Truck
2006
Tractor
2006
ARC-170 Starfighter
2005
Construction Site
2005
Excavator
2005
Forklift
2005
Mobile Crane
2005
ROBOLAB Amusement Park Set
2005
Sandcrawler
2005
Street Bike
2005
4WD
2004
Front End Loader
2004
Truck
2004
Hailfire Droid
2003
Mini Robots
2003
Pneumatic Crane Truck
2003
![ROBOLAB Team Challenge Set Version 2.5 [USB]](https://cdn.rebrickable.com/media/thumbs/sets/9794-1.jpg/180x180p.jpg)
ROBOLAB Team Challenge Set Version 2.5 [USB]
2003
Rescue Truck
2003
Technology Resource Set
2003
Wright Flyer
2003
16 Tooth Gears (Pack of 50)
2002
City Sights Challenge Kit
2002
Crane Truck
2002
Motorbike
2002
ROBOLAB Amusement Park Set
2002
![ROBOLAB Team Challenge Set Version 2.5 [Serial Transmitter]](https://cdn.rebrickable.com/media/thumbs/sets/9793-1.jpg/180x180p.jpg)
ROBOLAB Team Challenge Set Version 2.5 [Serial Transmitter]
2002
Snaptrax S45
2002
Street 'n' Mud Racer
2002
Super Battle Droid
2002
TECHNIC Gear Wheels
2002
Williams F1 Team Racer
2002
4x4 Off Roader
2001
Aero Tube Hanger
2001
Manas
2001
Mechanical Engineering Set
2001
Pneumatic Front End Loader
2001
Robotics Invention System, Version 2.0
2001
4WD X-Track
2000
Cities and Transportation
2000
Dark Side Developer Kit
2000
Mission Experience Pack
2000
Power Puller
2000
Silver Champion
2000
X-wing Fighter
2000
Amazon / Jungle Slizer
1999
Ant
1999
Crane Truck
1999
Droid Developer Kit
1999
Exploration Mars
1999
ROBOLAB Amusement Park Set
1999
ROBOLAB Team Challenge Set (Serial)
1999
Robotics Discovery Set
1999
Robotics Invention System, Version 1.5
1999
Small Gear Wheels
1999
Super Street Sensation
1999
Blackmobile
1998
Blast Off Chopper with Bungee Cord Power!
1998
Bungee Chopper
1998
CyberMaster
1998
CyberMaster
1998
Extreme Creatures
1998
Heli-Transport (Rota-Beast)
1998
Hover Sub
1998
Mag Wheel Master
1998
Power Pack Motor Set
1998
ROBOLAB Starter Building Set
1998
Robotics Invention System, Version 1.0
1998
Tow Truck
1998
Barcode Multi-Set
1997
Blast-Off Dragster
1997
Bungee Blaster
1997
Chopper Force
1997
Future Car
1997
Gears & Differentials
1997
Giant Model Set
1997
Gyro Copter
1997
Hydro Reef Wrecker
1997
Mountain Rambler
1997
Pneumatic Front-End Loader
1997
![Search Sub [No CD]](https://cdn.rebrickable.com/media/thumbs/sets/8250-1.jpg/180x180p.jpg)
Search Sub [No CD]
1997
![Search Sub [with CD]](https://cdn.rebrickable.com/media/thumbs/sets/8299-1.jpg/180x180p.jpg)
Search Sub [with CD]
1997
Simple Mechanisms Set
1997
Tread Trekker
1997
3 In 1 Car / Amphipower
1996
Black Hawk / Sky Stormer
1996
Coastal Cop Buggy / Miami Police Patrol
1996
Desert Ranger
1996
Hydrofoil 7 / Powerboat Columbia
1996
Pneumatic Log Loader / Pneumatic Logger
1996
Space Shuttle
1996
Circuit Shock Racer / V-Twin Super Bike
1995
Control Lab Building Set
1995
Fire Engine / Fire Response Unit
1995
Neptune Discovery Lab
1995
Pneumatic Crane Truck / Mobile Crane
1995
Road Rally V / Super Kart
1995
Technology Resource Set
1995
Differential Gears / Universal Joint, Differential Housing and Wheels
1994
Dune Blaster
1994
Gears 8- and 10-Tooth
1994
Hovercraft
1994
Off-Road Rambler
1994
Rebel Wrecker
1994
Robo-Guardian
1994
Super Car
1994
Technology Activity Set
1994
Universal Set
1994
Universal Set with Storage Case
1994
Forklift Transporter
1993
Gear Wheels Etc. / Gear Wheels, Worm Gears, Universal Joints and Gear Racks
1993
Street Chopper / Trike
1993
Universal Building Set
1993
Universal Pneumatic Set
1993
Airtech Claw Rig
1992
Assortment of Gears
1992
Pneumatic Excavator
1992
Supply Ship
1992
Power Pack
1991
Rally Shock n' Roll Racer
1991
Shock Cycle
1991
Universal Building Set with Flex System
1991
Whirlwind Rescue
1991
4.5V Technic Resource Set
1990
Motorized Universal Building Set
1990
Rally Support Truck
1990
TECHNIC Control Centre
1990
Backhoe Grader
1989
Forklift
1989
Gear Wheel Assortment / Gear Racks, Gear Wheels and Pulley Wheels
1989
Universal Building Set
1989
Prop Plane
1988
Test Car
1988
Gear Wheel Assortment
1987
Gear Wheels
1987
Gears Small
1987
Robot
1987
Technic Control Center
1987
Arctic Rescue Base
1986
Go-Cart
1986
Off-Road 4x4
1986
Polar Copter
1986
Snow Scooter
1986
TECHNIC Control I
1986
TECHNIC Control II
1986
Universal Building Set with Motor
1986
Go-Cart
1985
TECHNIC II Set {4.5v}
1985
Teachers Resource Set
1985
Excavator
1984
Fork Lift Truck
1984
Gear Wheel Assortment
1984
Dragster
1983
Gear Wheel Assortment
1982
TECHNIC Universal Set
1982
Dune Buggy
1981
Helicopter
1981
Tractor
1981
Car Chassis
1980
Motorcycle
1980
Motorbike with Sidecar
1979