Upgrade your bicycle crankset with these durable 7075 aluminum alloy chainring bolts and nuts. Each set includes 5 bolts and nuts, compatible with both single and double chainrings. Choose from silver, gold, red, black, or blue anodized finishes for a lightweight, corrosion-resistant solution.Features:5 sets of high-strength chainring bolts and nutsConstructed from 7075 aluminum alloy for durabilityAnodized coating resists wear and corrosionSupports single or double chainring configurationsPrecision M8*7.8mm threading ensures secure fitSpecifications:Material: 7075 aluminum alloy (anodized)Color Options: Silver/Gold/Red/Black/BlueCompatibility: Single or double chainring systemsShaft Length: 5mm (single)/7mm (double)Head Diameter: 12mmThread Size: M8*7.8mmPackage Dimensions: 1071cm (3.92.80.4in)Package Weight: 12g (0.4oz)Package Contents:5 Complete Chainring Bolt & Nut Sets