The Pivot Mutherload Bike Strap is a frame mount designed to fit standard 26”, 27.5” or 29” tube and MTB frames and carry one or two 16-25g cartridges, a multitool, a pump or any number of other trail necessities. Sewn with tough, rot and UV resistant polyester and easy to clean, it can also be adjusted for compatibility with frames of a wide variety of circumferences.