Corki Cycles Heavy Duty Bike Water Bottle Holder Black 2-Pack with 26 x 1.75-2.125 Bike Tube

Heavy duty aluminum construction for durability Compatible with standard bottles from 20 to 33 ounces Perfect fit for 26 x 1.75-2.125 inch tires butyl rubber inner tubes for puncture resistance Secure and snug fit for a smooth ride