This kind hidden wire sensor has the same fuction of brakelevers. But it seems more compact. Also, it's very easy to operate.

The components we supply will make bikes to be electric bikes easily and fast, including patent motor, controller, battery packs with patent box and rear rack/carrier, display, and  suited sensors, throttles and ebrakes, etc. Especially the LCD display which has the biggest display area in china,and kinds of well-water-proofed connectors. These kits have been supplied all over the world and welcomed by clients, owned all CE certificates. If you have any requirments, please contact with us. Any questions can be asked freely.

The features of HWBS is, can use generic brake, without the use of special brake lever. Sensor installed on the soft shaft of the brake, detection the movement of brake lines online. HWBS is a long life, small volume, free maintenance, micro-consumption electronic, low voltage power supply, non-contact detection of magnetic sensors. Internal PLL circuit can ensure the stable output even use in vibration situations.