4pcs Silver Black MTB Bicycle Alloy Road Bike Accessories Chainring Wheel Bolt Disc Screw Cycling Crankset Parts Chainwheel Screws SILVER DOUBLE DISK NAIL

Installation: 5MM Allen wrench Style:Straight mounting plate nail/single-piece chainring/two-piece disc locking on mountain bikes Material: Steel Crankset screw Features: standard thread stable and stable structure large tightening torque easy to assemble and disassemble Application: single disc/mountain/highway process: surface electroplating anti-rust Color: Black/Silver Quantity:4pcs Net weight: single disk nail 4g/double disk nail 4.6g Brand new with high quality Features: 1.anti-corrosion anti-rust strong and durable 2.Fully automatic CNC fine turning tightly fitting edges (There are also aluminum alloy crank screws in the shop which is more lightweight) Package Include: 4pcs Bike Chainring Bolts Notice: 1.Transition: 1cm=10mm=0.39inch. 2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering. 3.Please understand that colors may exist chromatic aberration as the different placement of pictures.