MR33 FDR Checker - Gear Ratio and Engine Speed Gauge Yokomo MS1.0 3 mm bar acts like

3 mm bar acts like 1

Sold in sets of 4

Our ultra-sleek head design is a direct replacement for traditional button head screws and removes as much unnecessary material as possible for an unbeatable look and superior weight savings

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MR33 FDR Checker - Gear Ratio and Engine Speed Gauge Yokomo MS1.0 3 mm bar acts likeMR33 FDR Checker Gear Ratio and Engine Speed Gauge With the MR33 Drivetrain Checker it is finally possible to measure and control the gear ratio and motor speed of RC model cars powered by 2 pole brushless motors. Simply place the motor sensor on the motor, put the 7mm wrench on the wheel nut of a driven wheel and accelerate. Now just read the value shown on the display and the job is done in 5 seconds. Simple and uncomplicated, for example as part of