5kg Technique Bar - Red AlloyWhat is it? The Aluminium Technique bar, often referred to as an "Alumlite Bar" is tool for training correct technique in olympic lifts. The shaft is manufactured from high grade aluminium, then knurled just the same as our Training and Comp bars light, flat, narrow, and not too sharp. It's easy to get it wrong with such an easily corruptible material. Contrary to popular understanding, aluminium is a very hard material light, but hard and brittle.