Bicycle Bottle Holder 2PCS Full 3K Carbon Fiber Super Light Road Mountain Bike Cycling Water Bottles Cage Holder Matte18g XXXSPECIFICATIONS Brand Name: riderace Type: Bicycle Bottle Holder Origin: Mainland China Weight (g): Less than 75g Choice: yes Super Light Weight : Weighing only 18g, this bottle holder won't add any unnecessary weight to your bike. Made of 3K Carbon Fiber : The use of 3K carbon fiber makes this bottle holder strong and durable. Holds Two Bottles : With the ability to hold two water bottles, you'll never have to worry about running out of hydration on