Threadless stem adapter bicycle stem riser aluminum alloy

【High Strength】 Aluminum alloy bike stem extender is 20% lighter than ordinary Aluminum alloy stem extender. Strong in -corrosion and rust-free, high toughness and not deformed. Solid and firm bike stem riser is hard to loose, more when use.
【Cosy Cycling】The head up adapter is handling more flexible, light weight, much easier to force when climbing. Opeion is comfortable and convenient.
【Suitable for Most Bikes】The handlebar extender is compatible for most bike with 1-1/8''(28.6mm) Cross Bike, Road Bike, Mountain Bike.
【Easy Installation】Just connect the front stem extender adaptor and tighten it. More flexible for you to raise up the fork stem.Raises the height of your handlebars by increasing the height of your stem.
【Measurement Methods】Use a soft ruler (or paper strip) to enclose the lower section of the tube and read out the data on the ruler (or measure the length of the paper strip). Use the calculator to enter the data and divide by 3.14 = diameter; if there is a caliper, you can directly measure its diameter.

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