Neon is for daytime, it works by being fluorescent which requires the UV component of sunlight. And neon clothes are a much bigger patch than bike parts.
Blinky lights and reflective for night.
__________________
Genesis 49:16-17
"Well, well!" said Holmes, impatiently. "A good cyclist does not need a high road. The moor is intersected with paths and the moon is at the full."