CATEYE: VOLT 400 XC Front Light & Rapid Mini Rear USB Rechargeable Set
The best selling Cateye set is the Volt 400 lumen front light and Rapid Mini pairing. These are a great package as they are bright, lightweight and can be recharged via Micro USB (cable included).
Both lights can be ejected for security and fit most bikes with ease. Both come with Li-ion batteries and come highly recommended!