PROBEROS Bike Stem Riser Cycle Handle Bar Handlebar Riser Extender Bicycle Aluminium Alloy Head up Adapter for Mountain Bike, Road Bike, MTB, BMX Bike Handlebar Weights  (1 Black)

1.Strong material: solid and firm handlebar extender made of forged aluminum alloy material, , durable for more safety when use, high toughness and not deformed -------2.MAXIMUM HEIGHT EXTENSION: The head up adapter is handling more flexible ,Stem riser can freely adjust the gasket to fit your own height, reducing the pressure of waist effectively and raised to your comfortable position ------3.Easy installation: just connect up the original front bicycle fork stem. The handlebar riser can apply to most of the met bikes compatible for most bike with 1-1/8''(28.6mm) threadless steerer like Cross Bike, Road Bike, Mountain Bike, MTB, BMX ------4.Comfortable Cycling: handling more flexible, light weight, much easier to force when climbing, operation is comfortable, convenient bike fork extender,they can increase the height of the handlebar by 70mm max. (2.75inch),you can adjust the spacer rings to fit your need freely, reducing the pressure of waist effectively, biking more relaxed -------5.INSTALLATION STEPS Remove the cover of original handlebar. Remove the bicycle handlebar stand. Install the bike fork stem extender, then adjust the position and fix the adjustment screw. According to the height you need to increase some gaskets. Install the handlebars stand and fixed the screws on the stand. Finally, install the cover of the bike fork stem extender.