Arundel Mandible Water Bottle Cage - Lightweight & Secure Bike Water Bottle Holder for Road, Mountain & Gravel Bikes - Perfect for Cycling, Commuting & Outdoor Adventures

I've got carbon fiber cages from Zipp on my racing bike (Trek Madone 6.9SSL) and two different models of the Arundel cages. I use the Mandible on my Trek Cronus Ultimate. They are light, rugged, and hold extremely well. I've read complaints about them being too tight but I've not found that an issue. I've used them with several different bottle types with no problems. With my Camelbak Podium Bottles they are perfect, even with the "Big Chill" insulated bottle. Even on rough roads and single track full bottles stay put. Lighter, more minimalist cages like my Zipps are great under most conditions, and perfect on my race bike, but not as secure as the Mandibles on rough roads. I also travel with my Trek Cronus a lot and never worry about the Mandibles getting damaged by the airport baggage guys. Yes, they are costly but you get what you pay for and you aren't going to find good carbon cages for cheap. They are light, tough, durable, and work extremely well. So if you've got a carbon framed bike and want top end gear ... highly recommended.