The LRP X12L Short Course 550-size motor is based on the well-known X12 brushless motor series by LRP. The longer “L” version is specially designed for the use in the somewhat heavier 1/10 scale 4WD Short Course trucks and sports adjustable timing, a sintered magnet 13mm rotor and speedy 5.0T winding that adds to the already existing 4.5T and 5.5T variants. Read more and see photos via the source link. Source: http://www.shortcourse.eu/2012/01/lrp-vector-x12l-sc-550-5-0t-motor
