Cube Stereo 140 HPC Race 29 Mountain Bike 2014 Bike Colour Blue / Black Frame size Large 20in. The Rock Shox Pike tackles everything in its path, while the four-piston Avid Elixir 7 Trail brakes have superb stopping power. Sram X.0 carbon parts, Reverb seatpost and fast rolling DT Swiss wheels with new rim technology are high class parts too. Take a lightweight, super stiff HPC carbon monocoque main frame and add a rear triangle of robust 6061 T6 aluminum. The Efficient Trail Control four link frame uses Advanced Twin Mold carbon fibre construction with ARG geometry for agile handling with the typical 29er fast-rolling features. The Rock Shox Reverb Stealth seatpost with internal cable routing allows freedom of movement and quick reactions