- 590 ml bottle incl. magnetic-mechanical bottle mounting system for bike framesThe Mid-sized 590ml TWIST bottle with an easy squeeze thanks to a softer material and new bottle cap with a high flow, self-sealing and leak-proof valve and optional dirt cover. The semi-compact size and simplicity of the 590 ml TWIST bottle make it perfect for Road, Gravel and MTB.590 ml VolumeNew leak-proof self-sealing bottle cap with a high waterflow and removable dirt coverBPA-free Polyethylene Fits all TWIST basesDishwasher safe