100:1 Heavy Duty Gearbox & Motor Features 100:1 Gear ratio. Use for robotic activities. 6-12V DC. Shaft is 0.15" dia. x 3/8" L. *Model/Picture may change depending on availability of stock. MSRP: Was: Now: $14.95 Add to Cart
15:1 Heavy Duty Gearbox & Motor Useful for robotic activities with 15:1 gear ratio. 6-12V. No load rpm is 300. Rated current is ≥125 mA. Torque is 0.4kg-cm Max. MSRP: Was: Now: $13.95 Add to Cart
Economy Gearbox with In-Line Motor, 1:120 Economical motorized gearbox with in-line motor and mounting holes. Ratio 1:120, 100rpm Gearbox. Shaft size (oval): 13/64"x9/64". 3V DC (6V DC maximum). MSRP: Was: Now: $9.95 Add to Cart
Gear Box, Large Larger gear is easier to mash. Use with solar cell design or battery car models. 6-12V DC. 3mm dia. shaft. MSRP: Was: Now: $4.95 Add to Cart
Gearbox & Wheel Kit Special attachment to fit rectangle end and screw to attach wheel to motor. Includes: aluminum bracket, screws, gearbox, [2] half wheels, tube, screweye, snap rod, acrylic hub and rubber band. MSRP: Was: Now: $19.95 Add to Cart
Gearbox, Clunk-Click This gearbox system is easy to assemble and take apart. Includes a motor holder and gears. Ideal for transportation projects. Specs: 1-6V DC, 0.1-1.0 A (load dependent). 2mm dia. shaft. MSRP: Was: Now: $6.95 Add to Cart
Gearbox, Universal Ideal for design technology, this gearbox can be expanded by adding gears up to 6 gear ratios. It has metal side plate. Output shaft 4mm. Kit. MSRP: Was: Now: $18.95 Add to Cart
KELVIN® Worm Gear Pack of 10 This versatile worm gear can be used for a variety of projects. It features two hole sizes. One side fits a 2mm motor shaft. The other side fits a 1/8 in. axle. Black. Does not include motor and gear assembly shown. Bulk pack of 10. Works with... MSRP: Was: Now: $9.95 Add to Cart
Motor and Gearbox Kit Eight different transmission ratios, from 5:1 up to 1125:1. Includes RC20 motor (that runs on 1.5-4.5V DC) and instructions. Output shaft is 3mm in diameter. MSRP: Was: Now: $12.95 Add to Cart
Worm Gear, 3/8 in. For ring gear box. Fits toy motor shaft. Shown mounted on project motor (not included). 10/pkg. MSRP: Was: Now: $4.95 Add to Cart
