Slx m7020 double front gear e type side swing front pull 11 speed e type frame fit for easy and accurate installation giving perfect alignment designed specifically with modern trail bikes in mind shimano side swing technology front derailleurs increases tyre clearance by 15mm while new cable routing resulting in the lightest shifting action yet side pull cable routing dyna sys11 11 speed mtb drivetrain compatibility specifically developed for 68 73 mm and press fit 92 bottom bracket shells