CUBE - AIM ONE 27.5"/29" SUNDOWNER 'N' BLACK 2026Frame frame Aluminium Lite, AMF, Double Butted, Internal Cable Routing, Flat Mount Brake, SIC Mount, FM Kickstand Mount There's aluminium, and then there's CUBE Aluminium Lite. This heat treated 6061 aluminium is stiff, fatigue resistant and, because of its natural corrosion resistance, a great material from which to make lightweight tube sets and bicycle frames. And it does all this without adding unnecessary weight, so you can get the best enjoyment