2550 Glasses by Lindberg. Color: 10, 20, 25, 30, 35, 60, 70, 75, 77, 80, 85, 90, 95, GT, U12, U13, U16, U9, Size: 51, 53, 55, Bridge: 22, Temple Length: 145, Temple Design: Basic. With its slim rim and classic round lenses, model 2550 from LINDBERG Spirit Titanium Collection offers timeless minimalism built from durable titanium. Adjustable nose pads guarantee a personalized fit. The polished finish underscores the purity of form and materials. A refined choice for vintage-inspired eyewear lovers.