I really like my Tifosi Photochromatic lenses. Don't need to worry about changing lenses unless you want a completely different color lens. They work great in low light and get very dark in bright sunlight.
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HCFR Cycling Team
Ride Safe ... Ride Hard ... Ride Daily
2017 Colnago C-RS
2012 Colnago Ace
2010 Giant Cypress