Cervélo R5 (2024) Ultegra Di2The Cervlo R5 is the ultimate climbing bike. It is now 130g lighter than its predecessor, which represents a 16% weight reduction from an already feather light frame. It balances stiffness and comfort perfectly to deliver stability and power transfer that feels "just right" for every challenge. Designed for summits and descents alike, the R5 excels where it matters most. Its precise handling and poise make it a master of tight hairpins and fast