Lonsdale short bar the lonsdale short bar is a great addition to any home gym dumbbells are easily the most popular form of weight training amongst fitness enthusiasts they are more versatile than a fixed weight machine the 2 spin lock collars allow you to train in confidence as they keep the weight firmly secured to the bar many exercise can be performed with this pieces of equipment for example bench press trunk rotation side bend dumbbell row biceps curl triceps extensions reve