The Fidlock TWIST includes the Universal Base for mounting to bikes without braze ons. The Fidlock bottle is guided into place and snaps securely on the mount. The bottle is held with a combination magnetic/mechanical retention system that releases with a simple twist of the bottle. Bottles are easily replaceable by removing the magnetic mount, and attaching it to a new Fidlock bottle.For frame tubes with a width of 28 62 mmRubber back for frame protectionFits all TWIST modulesItem SpecificationsBottle TypeBikeColorSmokeDefined ColorGrayInsulatedNoMaterialPlasticVolume19.95 FIDLOCK Twist Bottle with Universal Base Water Bottles EAN: 4251207401060