Functional Features: STAY HYDRATED WHILE RIDING: Bicycle water bottle provides quick and easy access when needed. Perfect for road bikes, mountain bikes, hybrid bikes, touring bikes and e-bikes. Multi-point support for more stability. MULTIFUNCTIONAL: Perfect for mountain bikes, bicycles, strollers and wheelchairs. Suitable for mounting on handlebars, seatposts, etc., as well as motorcycles, fishing umbrellas, etc. (tube diameter range 51-70mm). Accommodates smaller water bottles and cups within the 70MM standard. Specification: Name: Cup Holder Tube diameter range: 51-70mm size: 17.5 x 6.5 x 7.2cm Material: nylon colour: black Package Contents: 1 x Cup Holder 1 x Tool 1 x Suction Cup Sticker 5 x Screw Accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.