CHEEKON SHS 13:1 of Steel Gear Standard V2 V3 Gear Box
- Low Noise High Torque Gear Set with 9teeth Sector Drive Ratio: 13:1.
- Advise using 6.03mm, 6.04mm, 6.05mm innner barrels and M120-M160 Springs.
- Suitable for Gear Box Version 2 and Gear Box Version 3.
- Chrome molybdenum alloy steel sector gear.