MEROCA Road Lock Shoes Card Three Pardin Bicycle Lollipops Self-Locking Pedal With Lock, Style: Titanium Alloy Axis (Red) 1. Material: titanium alloychromium molybdenum steel, aluminum alloy, nylon fiber 2. The main structure of the lock pedal: sealed 3 bearing 3. Application: road bike 4. Packing list: lock pedal main body x2, splint x2, conversion seat x2, splint fixing screw x8, conversion seat short screw x6, conversion seat long screw x6 5. Size: the main body of the lock pedal is about 8.6x4.3 cmpiece, and the height of the splint is about 1.15 (3 holes)0.85 (4 holes) cmpiece 6. Weight: titanium alloy shaft about 152.2gpair, steel shaft about 214.5gpair, splint about 60gpair, conversion seat about 21gpair Features: 1. Double-sided locking design, just step on the pedal to lock, high degree of freedom 2. 3 bearing structure, smooth and brisk rotation, strong durability 3. The chrome-molybdenum steel model is highly practical 4. Titanium alloy has low density, high strength, good corrosion resistance and high heat resistance 5. The splint can be adjusted to 0-15 degrees, and it can float freely without restriction