The 22BS is 22 mm in diameter and 38 mm in length. Although it is the shortest of the 22B series brushless motors, the 22BS produces a no-load speed between 9700 rpm and 59300 rpm producting a Max. continuous torque between 6.1 and 8.5 mNm at 10 krpm depending on the winding type you choose. The Max continuous pwer at 10 krpm is between 19.4 and 21 Watts.