Bicycle Headset Spacer 5MM 10MM 15MM 20MM Bike Handlebar Stem & Headset Stem Spacer Set Fit 1 1/8-Inch Stem For Most Bikes

Package：4PCS bike handlebar spacers in one set.Like 1PC 5MM,1PC 10MM ,1PC 15MM and 1PC 20MM, provide various combination to adjust height of handlebars to fit your riding style.Material: Bicycle headset spacers thread-less are made of aluminum alloy,with smooth surface and exquisite workmanship, sturdy and durable to use.Size：Stem spacers road bike inner diameter is 28.6mm，1-1/8" headset spacer set, compatible with 28.6mm front stem fork of MTB, BMX, mountain bike, road bike etcFeature: Aluminum headset spacer is lightweight and easy to install, resistant to corrosion, more sturdy and durable than carbon fiber headset spacers, fit most of the bicycles.