Single-piece Balanced Crank, Stroke 38mm. During the Running-in Phase, the Speed Should Not Exceed 20km/H, and the Engine Should Not Bear Excessive Load. Otherwise, It Will Cause the Engine to Overheat, Seize the Cylinder and Accelerate the Wear of Parts.
This product would be ideal for individuals looking for a convenient and personal motorized bicycle for commuting or recreational riding.
