SAB Goblin Kraken 700 RC Helicopter Kit SAB SG740

SG740 Goblin Kraken kit. Steel alloy main shaft with an integrated big one-way bearing. Kit includes 21T motor pulley (other pulley sizes available). Tail ratio: 5.0-4.8:1 (27T included: 4.8:1). Main ratio: 12.1 to 8.8 :1 (21T included: 10.4:1).