Standard size servos are the correct servo choice for most R/C applications. We sell servos from Hitec, Spectrum, JR and more.
Items [3]
1/4 Scale Servo HS-755HB: Universal
Price: $29.00
Qty 
Product# HRC33755S

Hitec Standard Size Servos.
Water Proof Digital Servo
Price: $54.99
Qty 
Product# HRC35646W

JR Standard Size Servos.
Standard Waterproof Metal Gear Servo
Price: $49.99
Qty 
Product# HRC32646W