High perfomance electric (default competition motor use for F1 racing category) featuring replaceble standar type brushes to ensure long running life. There is a special vents for maximum motor cooling and the in-board capacitor is also detachable. This formula tuned motor produces 14,00 rpm and 39N.m of torque (7.2v). Recommended gera rationis between 3.7-3.75. Also this is a 32T motor. work well with TEU-101BK and newer TEU-104BK ESC. Good buy and must have if you planning to enter Tamiyia official race.