The Cygolite Dash 520 + Hotshot Micro 30 USB combo is a game - changer for road cyclists. This sleek set includes a Dash 520 headlight and a Hotshot Micro 30 tail light, offering top - notch lighting for both day and night rides. With 520 lumens upfront and 30 lumens at the rear, you'll have an outstanding line of sight. The Dash's exclusive Daytime Running Lights and the Hotshot's continuous LED flashes make you highly visible on the road, not just at night. The set comes with low - profile flexible mounts suitable for most standard and aero styles.

FRONT DASH 520 USB
- Boasts 520 lumens with 8 lighting modes, like low, medium, high, boost, steady pulse, Quad DRL steady, Quad DRL flash, and Day Lightning.
- Side light ports enhance your visibility further.
- The USB - rechargeable internal battery can last up to 63 hours, with a low - battery indicator to remind you to charge.
- It has light - mode memory, so it remembers the last mode you used.
- Weighs only 75 grams, is water - resistant, and has a low - profile design.
- The versatile flexible mount can be easily attached to handlebars, including aerobars.
- Run times vary: Low: 10hr, Med: 3hrs, High: 1:30hrs, Boost: 1hrs, SteadyPulse: 3hrs, Quad DRL Steady: 8:30hrs, Quad DRL Flash: 63hrs, DayLightning: 9hrs. Charge time is 3 hours.

REAR Hotshot Micro 30 USB
- Features a powerful 30 - lumen flashing, 2 - watt LED.
- Enhanced Cycling Optics spreads the beam for better wide - angle visibility.
- Comes with 5 modes: Single Flash, Zoom, SteadyPulse, Steady Beam, and Group Mode (for group rides).
- Run times: Single Flash 18hrs, Zoom 16hrs, SteadyPulse 16hrs, Steady Beam 3:30hrs, Group Mode 100+hrs.
- The SteadyPulse mode helps motorists judge distance and stay alert.
- The sturdy and flexible Versatite mount fits most seat posts and seat stays, including aero styles.
- USB - rechargeable Li - ion battery, water - resistant, and has a low - battery indicator. Weighs 35g.

Using the Cygolite Dash 520 + Hotshot Micro 30 USB combo is easy. First, attach the Dash 520 headlight to your handlebars using the flexible mount. You can choose different lighting modes according to your needs. For example, use the Day Lightning mode during the day to be more visible. The Hotshot Micro 30 tail light can be attached to your seat post or seat stay. Switch between its 5 modes as you like, especially the Group Mode when riding with others. When the low - battery indicator lights up, recharge the lights using the USB cable. It takes about 3 hours to fully charge the Dash 520. As for maintenance, keep the lights dry as they are water - resistant but not fully waterproof. Wipe them clean regularly with a soft cloth. Avoid dropping the lights to prevent damage to the internal components.