1.Material: 40Cr, (except bevel teeth, pin)

2.Drive ratio: 18:1/ 16:1/ 13:1/ 12:1/ 9:1/ 6.5:1

3.Rockwell hardness: HRC46-50 (Pin hardness HRC55-60)

4.Recommended battery voltage: 11.1V

5.Suitable for version 2 or 3 airsoft gearbox

6.CNC machining / turning / hobbing gear.High precision.High strength

7.Tooth shape optimization, chamfering optimization - reduced friction, reduced noise

1.Sector Gear & Spur Gear Material: 40Cr Steel, (except bevel gear, pin) manufactured by CNC Machined

2.Bevel Gear manufactured by MIM, Center Shaft Gear manufactured by CNC Machined, Material: 40Cr Steel

3.Drive Ratio: 18:1/16:1/13:1/12:1

4.Rockwell Hardness: HRC42-50 (Pin hardness HRC55-60,Bevel Gear HRC42-47)

5.Recommended Battery Voltage: 11.1V

6.Suitable for version 2 or 3 airsoft gearbox

7.CNC Machining / Turning / Hobbing gear.High precision.High strength

8.Tooth shape optimization, Chamfering optimization - Reduced friction, Reduced noise

1.Sector Gear & Spur Gear Material: 40Cr Steel, (except bevel gear, pin) manufactured by CNC Machined

2.Bevel Gear manufactured by MIM, Center Shaft Gear manufactured by CNC Machined, Material: 40Cr Steel

3.Drive Ratio: SR25

4.Rockwell Hardness: HRC42-50 (Pin hardness HRC55-60,Bevel Gear HRC42-47)

5.Recommended Battery Voltage: 11.1V

6.Suitable for version 2 or 3 airsoft gearbox

7.CNC Machining / Turning / Hobbing gear.High precision.High strength

8.Tooth shape optimization, Chamfering optimization - Reduced friction, Reduced noise