Projekt Fixie - Road Bike Track Fixed Gear Handlebar Front Brakeset, 22.2mm / 23.8mm Material: Alloy / 2 fingers brake system Dimension 39-49mm with Quick Release Compatible brake type: Caliper or Canitler brakes, Dual Pivot Caliper Brakes Weight: 177g/set Fits Handlebar Clamp Sizes: 23.8mm, Please Check your handlebar sizes to make sure you have the right size.