Part name: Electric scooter rear mudguard (rear brake)
S1 electric scooter metal rear brake
S5S/S5X electric scooter rear mudguard
S10BK electric scooter rear mudguard
Note: Please confirm that it is only the rear mudguard problem and you can replace it yourself or with help of others.
Tutorial video on how to replace the S10BK electric scooter rear mudguard