GS3-2316 Auto-rotation Set (5mm) GS3-2316 Price: HK$54.00 Order Qty: Auto-rotation Set This auto-rotation set is suitable for Guru-Z Fiber Frame series with 5mm main shaft . It allows the helicopter perform auto-rotation and related 3D flight action! Installation manual : Download p.s. this product need to use with GS3-2313 Frame Parts (Main Gear 140T)     For more information, please visit this products webpage. This product was added to our catalog on Tuesday 18 November, 2008. Customers who bought this product also purchased EK1-0201 E-Sky Main Blade Control Link GS3-9206 11T Steel Pinion (2.3mm) GS3-9301 Canopy Support Set GS3-2414 Frame Parts (Tail Hub) GS3-1027C Tail Boom (12x275mm Red) GE38H Guru-Z 3900kV Brushless Motor