250w Brushless Upgrade Kit – To fit Revvi 12″ and 16″ electric balance bikes. This kit includes a 250w brushless motor, mounting bracket, control unit rated to the motor, chain and rear sprocket. The parts are a direct fit to the revvi 12″ and 16″ bike – select bike size. The kit increases the acceleration and torque of the bike. You can choose from 2 sprocket sizes on the motor. 13T – More acceleration less top speed. 15T – Less acceleration more top speed. You can choose from 3 control units. Slow Start – 2 speed settings – Slow start with 2 speed settings. Slow Start – 3 speed settings – Slow start with 3 speed settings? The top speed is the same but the bike accelerates much faster with 2 speed settings. The top speed is the same but the bike accelerates much faster with 3 speed settings. You can also choose to have a sprocket only, or a sprocket/freewheel unit. Please note: Special tools will be required to remove the freewheel from your wheel to change the sprocket! You can remove it using a vice and punch or a freewheel removal tool. Revvi Cup Note: This upgrade kit is not legal for use in the 12 Open class at Revvi cup events. For the Revvi cup events the 170w upgrade kit is allowed!
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