CNC INC Steel Double Chainring Bolts Bicycle Chainring Bolt and Nut Set M8x6.5mm_ Blue

CNC T25 steel alloy chainring bolts are further more stiff than Aluminum ones, so hex head won’t strip even after repeated installation and removal. We adopt updated E-coating process tech to get same nice colors as AL ones. They are universal chainwheel crank bolts replacements for standard double speed chainrings of Shimano Sram mountain bike/MTB/Road/BMX etc. Specification: Female Nut Shaft Diameter: 8mm Female Nut Shaft Length: 6.5mm Male Bolt Diameter: 8mm Male Bolt Length: 6.5mm Male Bolt Head Style: Hex, slot back Bolt Position: Double Weight: 5g/set Package List: 5 sets of chainring bolts+nuts.