Saiper 10pcs Double Chainring Bolts M8 Chain Ring Bolts for Road Bike Mountain Bike BMX MTB Crankset

Description 1. Made from top quality 7075 Aluminum alloy material, lighter and stronger than 6061 aluminum alloy 2. T6 treated and CNC machined and chamfered. With maximum precision and durability 3. 10 pcs perfect replacements for mountain/road bicycles' Double chainring rotation bolts 4. Application: Fit for universal Double chainring/chainwheel used  Specifications: ?Material: 7075 aluminum alloy ?Nut Shaft Diameter: 10mm ?Nut Shaft Length: 7mm(for Double chainring) ?Bolt Head Diameter: 8mm ?Bolt Head Length: 7.6mm ?Colors: Black   Package Included: 10 x Double Chainring Bolts (set)