1. Aluminium alloy material, strong and durable 2. CNC one-piece moulding, fine and smooth workmanship 3. If the frame has its own teeth pattern, you need to check the distance between the teeth 4. Easy to install and dismantle, use M6 hexagonal spanner to dismantle 5. Material: aluminium alloy 6. Note: please choose the right cartridge stem according to the size of fork and frame
