Shimano St-ef51 Rapid Fire 3 x 7 21 Speed Shifter Lever Set w/ Yellow housing OPTICAL DISPLAY.. RAPID FIRE.. YOU GET: (1) RIGHT SIDE 7 SPEED SHIFTER--(1) LEFT SIDE 3 SPEED SHIFTER--OUTER HOUSING--INNER CABLES--CABLE CRIMPS--INSTRUCTIONS.. YELLOW OUTER HOUSING..