Skarper has introduced an innovative electric bike conversion kit using a disc-brake rotor for powering pedal-operated bicycles. The company claims that the new kit can transform any disc-brake bike ...

I looked at the Hope RX4+ 4-piston disc brake callipers nearly two years ago and it's time to revisit that discussion. The reason is simply something I often repeat in my reviews: I don't like to ...

The new Specialized Allez, launched today, has switched from rim brakes to disc brakes, with thru-axles replacing quick releases. Frame clearance is also up from the previous bike’s 28mm to provide ...