Dia-Compe rivet and washer for installation of quick release mechanism on BMX side pull brake calipers. This particular style is for the type of quick release that comes on the new re-issued Dia-Compe 883 brakes (which is the style quick release we sell as a replacement part). Necessary if you are reassembling a restored caliper, installing a quick release as an upgrade, or replacing a lost/damaged rivet. Size: * Overall length: 13.61mm * Head thickness: 2.50mm * Shaft length (the portion available for pivoting - this includeds the squared portion for "locking" the quick release): 7.83mm * Rivet tip length (the part that mushrooms over the washer): 3.46mm * Shaft diameter (pivoting area): 5.81mm * Washer inner diameter: 5.06mm * Washer outer diameter: 9.56mm SOLD INDIVIDUALLY (you receive one rivet and one washer per "Quantity 1")