Products Descriptionproduct nameRoller skiingSizeas pic show or as customizedMaterialLight aluminum alloyCertification:ISO9001:2000It has high performance aluminum frame with a new developed shape that utilizes the best of the aluminum material. Fork with CNC machined wheel slots and strict alignment tolerances ensures the best directional stability. The axles and wheel system have been completely redesigned to remove protruding screws/nuts and simplify maintenance. Hollow U shaped frame in aluminum protect large areas of bottom section from ground contact. CNC machined fork and wheel slots secures 100% alignment. RAPID CHANGE TECHNOLOGY (RCT). Lowered center of gravity for optimum ski feeling. Great torsional stability. Fender with vibration damping.