No matter where you ride no road surface is perfect thats why our ruby expert with ultegra di2 focuses on providing next level smoothness in a package thats tailor made for women of all abilities the frame is among the lightest that weve ever made and its been constructed from our superlative fact 10r carbon fiber its stiffness levels are also off the charts and compared to the sl4 iteration of yesteryear youll experience a whole new faster and more efficient geometry through some