| 
 Model  | 
 Chassis size  | 
 Free speed  | 
 Pendulum Diameter  | 
 Net Weight  | 
| 
 BCG-1660D  | 
 6"  | 
 12000 rmp.  | 
 6 mm  | 
 1.1kg  | 
| 
 BCG-1660SD  | 
 6"  | 
 12000 rmp.  | 
 6 mm  | 
 1.15 kg  | 
| 
 BCG-1660  | 
 6"  | 
 12000 rmp.  | 
 6 mm  | 
 1.15 kg  | 
| 
 BCG-1260D  | 
 5"  | 
 12000 rmp.  | 
 5 mm  | 
 1.0 kg  | 
| 
 BCG-1260SD  | 
 5"  | 
 12000 rmp.  | 
 5 mm  | 
 1.1 kg  | 
| 
 BCG-1260  | 
 5"  | 
 12000 rmp.  | 
 5 mm  | 
 1.0 kg  |