VARIABLE AXLE GEAR SET
Five sets of four different Gears with Axle Reducers and Gear Rack. Injection molded in High Impact Polyethylene for long life and quiet operation. 1/4″ (6.4mm) thickness allows easy handling and alignment for students of all ages. Each set consists of: 1 10 Tooth gear, 7/16″ (11.1mm) O.D. 1 20 Tooth gear, 7/8″ (22.2mm) O.D. 1 30 Tooth gear, 1-1/4″ (31.8mm) O.D. 1 40 Tooth gear, 1-5/8″ (41.3mm) O.D. 3 5/32″ (4.0mm) to 1/8″ (3.2mm) axle reducers 1 1/4″(6.4mm) Wide x 3″(75mm) Long gear rack
Smallest gear has a .070 (1.8mm) shaft hole to snugly fit onto our MOT-1 and MOT-2 Motors. All others have a .156 (4.0mm) shaft hole to fit our 5/32″ (4.0mm) O.D. axles. Axle reducers allow simple conversion to .110 (2.8mm) shaft hole for our 1/8″ (3.2mm) axles.