You are hereHome / Training / Build Muscle The Bicep Exercise Showdown What’s the better bicep mass builder? Our renowned bodybuilding trainer Hany Rambod makes the call. Preacher Curls Vs. Concentration Curls Comments: Concentration curls are one of the best exercises for bringing up your biceps peak, but preacher curls allow you to go much heavier. More weight equals more mass. Winner: Preacher Curls Next: Rope Cable Curls Vs. Supinating DB Curls >> Pages123NEXT Want more Men's Fitness? Sign Up for our newsletters now. You might also like 15-Minute Arm Workout Get big guns on a tight schedule.