●Holder: ultra-light (8 g) aircraft aluminium for attaching to the eyelets of the bottle holder or eyelets on the bicycle fork; weight load up to 1.5 kg ●Tension band: guarantees a stable hold even with strong vibration ●Strapkeeper: stows the protruding part of the tension strap ●Unbreakable: very durable, heat and cold resistant (-30°/+60°C), UV-resistant