Be In Your Mind 5pcs M8 Bike Single Chainring Bolts Kit Steel Chainwheel and Nuts Cycling Disc Screws for Road Mountain BMX MTB, Multicolour

[Nut Dimensions]: Nut Shaft Diameter: 10mm. Nut Shaft Length: 6.5mm. [Bolt Dimensions]: Bolt Head Diameter: 8mm. Bolt Head Length: 11mm. [Usage]: Used for universal single chainring/chainwheel to fix the crank and chainring. [Application]: Fits for mountain bikes, road bike, folding bike, fixed gear bike, downhill bike, track bike, MTB, BMX, DH, etc. [Material]: Made of steel, lightweight, stable, durable, and not easy to crack or rust.