2307 Series Steel, MOD 1.5, Hub Mount Bevel Gear (14mm Bore, 28 Tooth)

The gear teeth of this hub mount bevel gear are cut specifically to mate with the 14 tooth Pinion Bevel Gear. The 14mm bore and standard 16mm hub

2306 Series Steel, MOD 1.5, Clamping Pinion Bevel Gear (6mm D-Bore

ECatalog

Gears - University of Dayton : Homepages

2:1 Ratio Bevel Gear Set (8mm REX Bore Pinion Gear)

20 Tooth 1.25 Module 8 mm Round Bore Steel Bevel Gear - AndyMark, Inc

2307 Series Steel, MOD 1.5, Hub Mount Bevel Gear (14mm Bore, 28 Tooth) - ServoCity

2307 Series Steel, MOD 1.5, Hub Mount Bevel Gear (14mm Bore, 28

2:1 Ratio Bevel Gear Set (8mm REX Bore Pinion Gear)

The 80 tooth, MOD 0.8 gear will mate with any MOD 0.8 gear, but when building on pattern, the most common partner for this gear is a 40 tooth Servo

2302 Series Aluminum, MOD 0.8, Hub Mount Gear (14mm Bore, 80 Tooth)