- Formal normal city bikes- Niple size: 7mm*6mm- Thickness: 1.5mm- Length: 2.25m..

- Aluminum alloy casting V-Brake- Brake arm length: 110mm- Coating: Black- W / Aluminum adjustment- Front & Rear (Two sets, for one bikes)..

- 70mm brake pads for V-Brake side shafts (Bracket bolt is not in the middle)- Hardness: 85±5HD- Material: Asbestos-free rubber pairs..