JINCAO Black Portable Roller Road Drift Plate Skates Anti-Slip Board Aluminum Truck with PU Wheels with ABEC-7 608 Bearings 1. Made up of two aluminum plates with two pairs of high quality polyurethane wheels 2. The dual independent aluminum skates connect by the body of the rider, ridden Snowboard/Surf like 3. Designed for road Drift, workout 4. With this drift skates you can achieve high levels of traction and carve smooth "S" turns 5. Sturdy and lightweight