These. They're pretty delicate though, and I give it another 2 weeks until one of the wires break. I also got those cool spoke lights that make patterns when they spin. Gotta make sure those cars can see you at night... It's the coolest safety feature ever.

https://www.amazon.com/gp/aw/d/B075PXDHX8?psc=1&ref=ppx_pop_mob_b_asin_title