Size: φ38.5*54

Description: With self -lock/without self -locking

Speed ratio: 64.4: 1/19.2: 1

Output shaft: 1/2''20unf-2a; 3/8''4unf-2A

Can withstand torque: 40N.M

Input: 24000rpm brushless motor

Output speed: 370rpm/1250rpm