The king cage stainless steel bottle cage will accommodate all types of bicycle water bottles with a capacity of 21oz or 24oz the cage has been constructed from 304 stainless steel tubing which wonrsquot leave any marks on your bottle or your frame the bottle cage weighs in at 48g and it will securely hold your bottle in place when yoursquore riding this bottle cage will provide you with easy access to your water bottle when yoursquore riding so you can easily rehydrate on the move kin