Remodelling the rear section of 2 wheels - R850R, BMW R1150R, designates the base, the automatic ascent and descent lamp of the wheel chair of the 2005 Conquest 850. At driving position, the wheel chair was locked safely with "the EZ LOCK" docking system. With only both hands, you can start to motor freely by saying the "yes” command‚ È trike, without using the foot.