MCS Alloy Chainring Bolts-Short

The MCS Alloy Chainring Bolts-Short at J&R Bicycles are high-quality and affordable replacement bolts made of lightweight and durable 6061-T6 aluminum alloy. Are your chainrings rattling or maybe you are getting that signature chainset squeak? It is probably time to replace your chainring bolts. This set comes with 5 pairs of male and female bolts with an inside measurement of 4mm when tightened and a total height of 7mm.