NJ19803A LED roller-blade skates by Nils Extreme are designed for recreational riding for beginners and intermediate skaters. Lightweight and strong shoe guarantees safety while riding, and applied ventilation system of the shoe directly influences the user's great comfort. The model is equipped with a four-stage size adjustment making adjusting the size of the boot to a user's foot quick and easy. NJ19803A offers an aluminum blade and ABEC7 class bearings producing less rolling resistance, which translates into a speed. On the other hand, the rear brake ensures safety during use. Roller-blade skate is known by an interesting look resulting from great design and very high quality materials. An additional advantage of the NJ19803A model is LED wheels lighting up during a ride. Specification: Skid: aluminum Bearings: