3Racing 3RAC-H2520/BK Futaba 3.0mm Single Arm Upgrade  [3RAC-H2520/BK]

3RACING Futaba Single Arm 3.0mm V2(servo gear hole to ball end hole length:20mm)- Black - 3RAC-H2520/BK
Price:
CAD$7.86
Brand:
3Racing
Model:
3RAC-H2520/BK
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Accurate Steering with 3Racing 3RAC-H2520/BK

The 3Racing Futaba Single Arm 3.0mm V2 is a durable upgrade aimed at improving steering precision on a wide range of RC cars. Made to fit Futaba spline patterns, this black anodized arm offers a 20mm span from the servo gear hole to the ball end and uses a 3.0mm thickness to reduce flex while staying resilient under impact. Constructed from high strength materials, it is built for repeated running and dependable control.

Stronger Steering for Aggressive Driving

Hobbyists wanting a firmer steering feel will notice reduced play and better feedback through turns. The 3.0mm section gives the stiffness needed for sharp inputs and consistent geometry under load, making it a practical choice for both track days and park sessions. It works with Futaba-compatible servos that accept a 3.0mm arm.

This arm fits Futaba servos that use a 3.0mm mounting hole for the servo horn. Check your servo spline and hole diameter before fitting.
The 20mm distance from gear hole to ball end determines leverage and throw. It provides a good balance of precision and steering travel for typical onroad and offroad setups.
When fitting, ensure the spline lines up without forcing and use the correct screw tightness to avoid stripping. Test servo travel before final assembly.

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