The bosch 36 ergoflex is one of the lightest and fastest lawn mowers in its class from keeping that long start of season growth in check to regular mowing it ensures a pristine lawn every time thanks to boschs 1400w powerdrive motor running at 3600 rpm the high speed motor and innovative gear set work in tandem to keep the blade running at optimum speed by automatically altering the torque supplied by the motor so when the going gets tough the system senses the increased load on th