| Category | Manufacturer | Series | Model | Year | Size | Material | Color | Weight, g (as specified) | Weight, g (as measured) | Price range | RRP, $ | RRP, € | RRP, £ | Comment |
|---|
| | Shimano | Dura Ace Di2 | FD-R9250 | 2021 | | Aluminium, Titanium, Carbon | | 96 | 95 | $$$$ | | €449.95 | | Brazed-On, Top gear - 46-55T, Capacity - 16T, Chain line (mm) - 44.5, Chain stay angle (deg) - 61-66 |
| | Shimano | Ultegra Di2 | FD-R8150 | 2021 | | Aluminium | | 116 | 112 | $$$ | | €224.95 | | Brazed-On, Top gear - 50-54T, Capacity - 16T, Chain line (mm) - 44.5, Chain stay angle (deg) - 61-66 |
| | SRAM | Force eTap AXS | FD-FRC-E-D1 | 2019 | | Aluminium, Steel, Plastic | | | 177 | $$$ | | €222.00 | | Brazed-On, Road-Yaw, Chain stay angle (deg) - 61-66 |
| | SRAM | Force eTap AXS | FD-FRC-EW-D1 | 2019 | | Aluminium, Steel, Plastic | | | 156 | $$$ | | €222.00 | | Brazed-On, Road-Yaw, Chain stay angle (deg) - 61-66, For 43/30 chainrings, Clearance for 700x45c and 27.5x2.1” tires |
| | SRAM | Red eTap AXS | FD-RED-E-D1 | 2019 | | Aluminium, Plastic | | | 144 | $$$$ | | €458.00 | | Brazed-On, Top gear - 46-50T, Capacity - 13T, Chain line (mm) - 45, Chain stay angle (deg) - 61-66 |
| | SRAM | Rival eTap AXS | FD-RIV-E-D1 | 2021 | | Aluminium, Steel, Plastic | | | 151 | $$$ | | €190.00 | | Brazed-On, Chain stay angle (deg) - 61-66, optimized for SRAM X-Range 48-35T and 46-33T |
| | SRAM | Rival eTap AXS | FD-RIV-EW-D1 | 2021 | | Aluminium, Steel, Plastic | | | 153 | $$$ | | €190.00 | | Brazed-On, Road-Yaw, Chain stay angle (deg) - 61-66, For 43/30 chainrings, Clearance for 700x45c and 27.5x2.1” tires |