Kryptonite Avenue F-100 & R-50

The F-100 and R-50 are designed primarily for urban visibility and commuting rather than illuminating dark trails. While they will help you be seen by motorists, they do not provide the high-intensity beam required to navigate pitch-black roads safely.

Both lights use a simple, tool-free rubber strap system. You just stretch the strap around your handlebars or seat post and hook it into place, making them easy to swap between bikes or remove quickly when parked.

Yes, you can charge them while mounted, provided your USB power source is close enough to reach the bike. However, because the straps are so easy to use, most riders prefer to detach them and charge them at a desk or wall outlet.

Battery life varies significantly depending on which of the six modes you select. Using the steady, high-output modes will drain the battery faster than the pulse or flashing modes, which are designed to extend runtime for longer commutes.

Yes, the lights are built to withstand standard commuting conditions, including light rain and road spray. While they are durable, they are not intended to be submerged in water.