aventon SINCH User Manual page 12

Step 6. Open the clamp under the seat post,set it to a height which fits the rider then close the clamp
to secure the seat in place.
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Note: Position the seat at the right height is key for better pedaling, safety and overall comfort.
The rider' s leg length is used to determine the seat' s position. When pedaling, your hips should remain
level and your legs should not over-extend. To determine the right seat height, sit on the eBike with pedal
at its lowest point and place the ball of your foot on the pedal. If your knee is bent slightly at this position
( about 60 degrees) , the seat is at the right height.
Step 7. Holding the crank arm vertical, fold or unfold the pedal, repeat with other pedal as needed.
Step 8. Remove motor protector and put on the motor protection guard on both sides of back wheel.
Install motor protection guard on both sides of back wheel.
Note: Part of plastic motor protector may break and will be left inside the freewheel, use a pair of pliers
to take it out carefully.
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