ProTek RC 500BL "Black Label" 1/12 High Torque Brushless Mini Servo (High Voltage/Metal Case)

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ProTek RC 500BL "Black Label" 1/12 High Torque Brushless Mini Servo
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ProTek RC 500BL Black Label High Torque Brushless Mini Servo

The ProTek 500BL Mini is the next step in mini servo performance. Developed for 1/12 and 1/10 pan car, as well as 1/10 Pro Class drag racing pan car style chassis that use a mini size servo, this brushless option produces 186oz of torque and .06 transit speed at 7.4 volts - with superior efficiency and lifespan. 

A black anodized aluminum case with a blue anodized bottom cover provides a stealthy and clean look. The aluminum case allows for extreme durability and a precision fit for the servo gears to provide the precise control necessary for demanding enthusiasts. Metal gears and brushless circuitry round out the package to create a robust option that will go the distance in high demand applications.

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  • If you experience glitching or poor performance while using a Futaba transmitter, you must turn off BLS mode. BLS mode is only compatible with Futaba BLS type servos. 
  • Modification may be required for drag applications.
  • Ideal for any 1/12 & 1/10 Pan Cars and Pro Class Drag Racing applications
  • Full aluminum black anodized case
  • High voltage circuitry
  • 0.08 transit speed, and 161 oz-in of torque @ 6.0V
  • 0.06 transit speed, and 186 oz-in of torque @ 7.4V
  • Full metal gears
  • Brushless motor
Servo Model
Recommended Application 1/12 & 1/10 Pan Car or Pro Class Drag Racing
Operating Voltage 4.8V - 7.4V
Operating Temperature 14° to 140° F (-10 to +60° C)
Operating Speed @ 6.0V 0.08/60° sec
Operating Speed @ 7.4V
0.06/60° sec
Dynamic Torque @ 6.0V
161 oz-in (11.59 kg-cm) 
Dynamic Torque @ 7.4V
186 oz-in (13.39 kg-cm)
Motor Type
Brushless Digital
Output Shaft 25 Tooth
Gears Metal
Weight 42g
1520Us / 333hz
Dimensions 34x30.80x15.50mm
Length (Bottom to Mount)

This product was added to our catalog on September 13, 2021

Verified Owner
Friday, Mar 25 2022 (8 months ago)
ProTek RC 500BL "Black Label" 1/12 High Torque Brushless Mini Servo
Excellent servo! Very fast and plenty of torque. Its hard to find a mini servo with specs like this. It has excellent centering, is smooth and very quiet (during use or ar neutral). The aluminum case dissipates heat well and this thing runs without a hitch. It's not cheap but a case of "you get what you pay for". Great looks too! Running in a mini crawler and this thing kills it!
Verified Owner
Wednesday, Nov 30 2022 (yesterday)
ProTek RC 500BL "Black Label" 1/12 High Torque Brushless Mini Servo
Its a tad heavy, but very rugged, fast and powerful. I had futaba and sanwa srx before. broke them both running too stiff a servo saver. gears stripped on futaba because they were plastic. broke the case on the sanwa. Protek case is Alu.I am racing 13.5 1/12 pan car with it.