Blackburn Camber CF Bicycle Water Bottle Cage - With so many carbon fiber cages already available, we figured that we'd only introduce a Blackburn version if we could make something that's better than the competition. And the Blackburn Camber CF Water Bottle Cage is just that. For starters, it has a flared mouth to improve ease of bottle insertion. And unique reinforcing side ribs increase stiffness to boost strength and bottle grip. The lower cradle/bottle stop area is designed to provide more support for critical strength in an area where other carbon cages fail. And the whole thing is optimized for an ideal balance between quick bottle access and optimal bottle grip. Of course it's lightweightùa mere 32 grams to be exactùbut more importantly, it's strong. Strong enough that it's backed by Blackburn's Lifetime Warranty.