Number Of Wheels: 3-Wheel inline skates have three wheels, while 4-wheel inline skates have four wheels.
Wheel Size: 3-Wheel inline skates typically have larger wheels than 4-wheel inline skates, ranging from 100mm to 125mm in diameter. 4-wheel inline skates usually have smaller wheels, ranging from 70mm to 90mm.
Wheel Configuration: 3-Wheel inline skates have a triangular wheel configuration, with one wheel at the front and two at the back. This configuration is designed to provide better speed and maneuverability. 4-wheel inline skates have a square wheel configuration, with two wheels at the front and two at the back, which provides more stability and balance.
Weight: 3-Wheel inline skates are generally lighter than 4-wheel inline skates, which can make them easier to maneuver and control.
Skill Level: 3-Wheel inline skates are often recommended for intermediate to advanced skaters due to their speed and maneuverability, while 4-wheel inline skates are generally recommended for beginners or those who prefer a more stable, comfortable ride.