Perfect for most bikesThe stem is suitable for most bikes with 28.6mm (1-1/8') thread without steerer._x000D__x000D_Adjustable Height: The bicycle stem an increase in the stem height by up to 70/100 mm. You can adjust your new stem height to perfectly suit your riding needs._x000D__x000D_COMPATIBLEDon't worry about buying a handlebar adapter that doesn't fit your bike. Our bike fork stem extender is suitable for most 1-1/8 inch, 28.6mm threadless head tubes._x000D__x000D_Easy to InstallSimply slide the spindle extender onto the steerer tube and pull it firm, very easy to assemble._x000D__x000D_PRACTICALHigh strength handlebar extension, difficult to lose, more safety when using. Work on mountain bikes, road bikes, MTBs, BMXs and more.