1.Extended handlebar: The length of the bicycle extensions is 25 mm (0.984 inches). Super longer/extended tube is suitable for bicycles with handlebar diameter between 18 34 mm (0.7 1.33 inches). (Please check the size carefully before purchasing, as if the diameter of the handlebar is less than 18 mm or larger than 34 mm, the extension is not usable) 2.Highquality workmanship: these handlebar extensions have 2 materials, one is made of aluminium alloy, the other is made of carbon fibre (approx. 10 g lighter than aluminium alloy), very stable and lightweight, rustproof. And the clips are made of aluminum alloy, well constructed and sturdy. 3.More and more stable: compared to the short screws used in other brackets on the market, our brackets are equipped with long screws. No worry about the angle being tilted, damaged or crawled down on a bumpy road once attached to the stem with our specially designed screws. Much more stable and nonslip than other bicycle extensions with clamp. 4.Thick rubber bands: On the inside of the ring there are straps that attach to your poles for a strong and secure hold, does not slip and scratch your poles. 5.Add more space: our bicycle handlebar extension additional storage space on the handlebars. You can connect mobile phone, speedometer, odometer, torches, GPS devices, navigation devices, smartphones, lamps, bicycle computers, etc. to the handlebars.