BESTHUA M18 M20 Mountain Bike Color Crank Screws Durable Material Screws

Description: M18 threaded screws are suitable for Haomeng hollow one-piece chainrings FS.A chainrings and the old for FC-4500 and for FC-5600 highway chainrings etc. M20 crank cover screws are suitable for Shimano kits such as: for M4000 for M590 for M596 for M661 for SLX for XT. For XTR etc. If you are not sure about the specifications please measure by yourself Specification: Type: M18 M20 Material: aluminum alloy Weight: about 7.5 grams Size: M20 about 28*20*15mm /1.1*0.79*0.59in M18 about 28*18*14mm/1.1*0.71*0.55in Packing size: about 5*6*1.5cm/1.97*2.36*0.59in opp bag Color: black gold red blue titanium Packing List: 1*Crank Bolt Cover Screws Note: Please allow slight tolerances in size due to manual measurement and lighting in photography may result in difference in color than it is in real life.