Lumina 550 NiteRider USB Rechargeable Bike Light. The USB rechargeable Lumina 550 raises the bar for self contained lights. Available in three models, the Lumina 350, the Lumina 550 & the Lumina 700, guarantees there’s a light to match both your budget and performance needs. The Lumina series features a new, lightweight body combined with increased thermal properties, ensuring a brighter, longer lasting LED. All Luminas feature a newly designed handlebar mount making certain it remains rock solid whether on the trail or pavement.