Weight: Approx. 0.3 oz (8 g); Compatible Brush Motor: 130, 180, 260, 280, 380 Current: 20 A; Compatible Voltage: 4.8-8.4 V; Operating Frequency: 2 kHz Specifications: Front, reverse, brake; Set includes: 2 * *Depending on your monitor settings, there may be slight differences in the color of the viewing environment.