The Zero 10X is probably more reliable, but more expensive.br br From Zero 9 website- ZERO 9 - Long Range High Performance Electric Scooterbr br The ZERO 9 is essentially an amped-up ZERO 8 with a higher power output (25A controller), air tires front and rear to provide more ride comfort and double brakes (rear drum brakes and front disc brake).br br With a range of up to 45km per charge, this e-scooter is a great choice for riders who need to go the distance but still want something compact yet comfortable. br br Whether you commute directly from home to work everyday or work as a delivery rider, the ZERO 9 will guarantee you a comfortable ride throughout your long journey.br br br The ZERO 9 is a powerful electric scooter that is comfortable to ride. It comes with integrated front spring suspension in the front steering column and very sophisticated and beautifully designed rear twin air shock suspension.br br With 9-inch pneumatic wheels, it offers better ride quality and traction than 8-inch wheeled scooters without the bulk of a 10-inch wheeled scooter - an excellent balance.br br With a powerful 600W motor, this scooter out-performs most other scooters of a similar size. All these at a very compelling price. The ZERO 9 is a good choice for long range commutes or leisure rides.