Bicycle Chainring Bolt Spacers Washer Spocket Single Double Speed 1Mm Or 2Mm

describe: *Brand new and high quality *Made of high quality material durable and practical Specification: Name: Nail washer Purpose: use of crankset screws Material: aluminum size: Thick section: 12mm*10mm thick 2mm Thin section: 12mm*10mm thick 1mm Net weight: thin 0.8g thick 1.4g Gross weight: 20g Packing size: 60*40*10mm Note: If it was a double chainring before it needs to be changed to a single chain now and a washer needs to be added to the chain nail (chain screw) to fasten a chainring. Package includes: Nail washer*5 Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.