Our dual piston brake system: two bike brake pads clamp the disc rotor to brake, the rotor will not move while ensures great performance. One-way brake system is to brake by pushing aside the rotor which is easy to make the rotor deformed.
Features:
Line pulled hydraulic piston two-way brake.
Integrated oil cylinder.
Aluminum alloy constructed.
Fit for 160mm bike rotor.
Suitable for line pulled mountain bike and folding bike.