MEROCA Crankset Screw M18/M19/M20 Bolt MTB Bike Cover Screws Aluminum Alloy 4 Colors

Product parameters CNC aluminum alloy mountain bike color crank cover BB central axis screw Shimano sprocket specifications [Feature of product] ● Aluminum alloy CNC machining, precision & strength, much better than the original plastic screws. ● Different colors, suitable for personality change. [Product parameters] The 20MM tooth screw is suitable for SHIMANO and the same hollow sprocket with the same specifications as SHIMNAO, such as the M590 M596 M661 SLX XT XTR. The 18MM tooth screw is suitable for the hollow hollow a sprocket, the F SA sprocket and the old FC-4500 and FC-5600 road sprocket, so we have to measure the thread hole of our own tooth plate before buying. Weight: 7g Material: aluminum alloy Use 10MM hex wrench to install. This nut is suitable for SHIMANO standard one-disc left crank nut replacement. NOTE: The price is for one piece only