The GEMFAN PROXY 5127.5 is a 5.1-inch tri-blade propeller designed for smooth, precise freestyle flying with an emphasis on efficiency and control. Featuring a 2.75-inch pitch, this prop delivers refined throttle resolution, stable airflow, and predictable handling—making it ideal for pilots who value flow, consistency, and clean transitions.

Constructed from durable polycarbonate (PC) and weighing approximately 4.2g, the PROXY 5127.5 balances lightweight agility with the durability needed for everyday freestyle sessions. It pairs well with 2207 and 2306 motors and is optimized for builds around 500g takeoff weight.

Specifications

• Model: GEMFAN PROXY 5127.5

• Prop Size: 5.1 inch (129mm)

• Pitch: 2.75 inch

• Blade Count: Tri-blade

• Material: Polycarbonate (PC)

• Weight: Approx. 4.2g (per propeller)

• Mounting / Hub: 5mm center hole

• Hub Thickness: 6.2mm

• Recommended Motors: 2207 / 2306

• Ideal Takeoff Weight: ~500g

• Colors: Whisky, Neon Yellow, Hot Pink, Mint Green, Midnight Black (Limited), Phoenix

• Packaging: Pack of 4 propellers (2 × CW + 2 × CCW)

Key Features

• Low-pitch tri-blade design for smooth throttle control

• Excellent airflow stability for consistent freestyle performance

• Lightweight construction for agile handling and flow

• Durable PC material for reliable everyday use

• Wide color selection for visibility and personalization

Applications

• 5″ freestyle FPV drones

• Pilots seeking smooth, controlled flight characteristics

• Builds using 2207 or 2306 motors

• Freestyle setups around 500g AUW

Features & Advantages

Smooth & Predictable Handling

2.75″ pitch provides refined throttle response and clean transitions.

Lightweight & Efficient

Low rotational mass improves efficiency and responsiveness.

Durable Construction

Polycarbonate material resists impacts common in freestyle flying.

Balanced Power Delivery

Optimized for flow-oriented freestyle rather than aggressive punch.

Complete Set Included

Pack of 4 (2 CW + 2 CCW) ensures balanced installation out of the box.