The Tern Nitelite Rear red LED lights are a must - have for cyclists. Whether you're out riding at night or in the rain, these lights make you highly visible on the road. The pair of bright red LEDs clearly show drivers the width of your bike, so they can give you enough space when overtaking and maintain a safe distance, especially important if you have a little one on the back. The lights are strategically positioned to make your bike stand out and appear wider, prompting drivers to steer clear. They fit securely on the rear - facing bar ends of the Captain's Chair and Clubhouse carriers. Built for all - weather riding, they feature a durable aluminum housing and an IPX4 water - resistance rating. You can choose from 3 modes with different runtimes: constant (2.5 hrs), pulse (7 hrs), and flash (13 hrs). They are USB - rechargeable, getting rid of the need for disposable batteries, which is both convenient and eco - friendly. There's also a built - in battery level indicator. These lights fit tubes with an inner diameter of 15.2 - 20.3 mm.

Using the Tern Nitelite Rear is easy. First, find the rear - facing bar ends of your Captain's Chair or Clubhouse carrier. Make sure the inner diameter of the tube is between 15.2 - 20.3 mm, then securely attach the lights. To turn on the lights, press the button. You can cycle through the 3 modes - constant, pulse, and flash - by pressing the button again. When it's time to recharge, simply connect the lights to a USB port. As for maintenance, since the lights have an IPX4 water - resistance rating, they can handle light rain and splashes. But avoid submerging them in water. Keep the lights clean by wiping them with a soft cloth. Check the battery level indicator regularly so you know when it's time to recharge. And always make sure the lights are securely attached before each ride to ensure your safety on the road.