Who said that performance and comfort don39t mix it sure wasn39t us because our all new ruby elite combines the two in one seamless unprecedented package the frame is among the lightest that we39ve ever made and it39s been constructed from our superlative fact 10r carbon fibre its stiffness levels are also off the charts and compared to the sl4 iteration of yesteryear you39ll experience a whole new faster and more efficient geometry through some engineering sorcery however we