Radix 690mm SB Blades  

Radix blades fly light and quick for aggressive 3D but they still do forward flight like they are on rails. In addition to their smooth precise flight characteristics they are also one of the quietest blades in the air. To top it off they auto great. The perfect combination for a 3D blade. YB690-185g are for general 3D flying. All blades are pre-balanced and ready to fly. Blade Specs Length bolt hole to tip: 690mm Weight: 185g Root Details Root: 12mm Washers included for: 14mm, 16mm, 18mm Bolt Hole: 5mm Sleeve included for: 4mm bolt