1. Material: aluminum alloy + chromium molybdenum steel
2. Chrome-molybdenum steel bearings, 14 mm general thread
3. The installation is stable and not easy to loose, durable
4. The SPD system is applied to the pedals to improve riding efficiency
5. Hollow aluminum alloy design to reduce weight
6. There are signs on the left and right, easy to install
7. 8 cleats to make the pedals more grippy
8. Weight: 570g
9. Dimensions: 117x105x29x14 mm