Xpeed 20kg Pump SetXpeed 20kg Pump Set Load from 2. 5kg through to 20kg in 2. 5kg increments with this quick change Pump Barbell Set, requiring little effort or space. Furthermore, the set is interchangeable with additional sets which is ideal for the group class setting. The key benefit of this pump set over an Olympic barbell set is its smaller size. Saving space via the length of the bar and less weight in the bar itself means more manoeuvrability in confined or busy