Race RD4 Model year: 2024 Model year: 2024 Road / Race Suspension: Rigid Wheel size: 700c Add Principia RD4 to comparison Remove Principia RD4 from comparison Comparison full (3 of 3): remove a bicycle to add Principia RD4
Race RD4 Model year: 2023 Model year: 2023 Road / Race Suspension: Rigid Wheel size: 700c Add Principia RD4 to comparison Remove Principia RD4 from comparison Comparison full (3 of 3): remove a bicycle to add Principia RD4