adjustable bottle holder

This is Adjustable bottle Holder, it not only stores a bottle but gives u extra room when u need it. By simply pressing self locking plugs on the side you can open the holder and create a extra space for things u want to keep like a towel would be must long sweaty rides, may be you runout of air in tyre so why dont keep a CO2 cannister , or may you keep a multi-tool handy. Basically it is made of two parts , the main body and re-tractor. The re-tractor designed to have flexible walls so just can fit inside main body. The pressing of self locking plugs allow the re-tractor to slide in and out of the hollow groove provided inside the main body. The holder is designed to hold standard bottles likely to have 77 mm diameter. Height of the holder is 128 mm,Overall wall thickness of the whole assembly is 8 mm. The holder can be held on bicycle as per the convenience like in front of the handle or below the seat secured with help of 2 pairs of M6 nut and bolt . Design is simply expand when you need,compact when you don't. By: Kaustubh Padalkar ,Saurabh Bagwe.