• CNC Aluminum Alloy Construction: Precision-machined crank cover for mountain bikes, designed to fit BB central axis sprockets
• Superior Durability: CNC-machined aluminum alloy provides enhanced strength and durability compared to the original plastic screws
• Variety of Colors: Available in multiple colors, perfect for personalizing and customizing your bike’s appearance

Specifications:

• Material: Aluminum Alloy
• Size: M18/M19/M20
• Weight: M18: About 7g, M19: About 8g, M20: About 8.5g

Notes:

• M18 threaded screws are suitable for Haomeng hollow one-piece chain ring FS.A chain ring and the old FC-4500 and FC-5600 road chain ring, etc.
• M19 threaded screws are suitable for IXF, LEBYCLE and other brands of hollow integrated crankse.
• M20 crank cover screws are suitable for Shimano kits such as: M4000, M590, M596, M661, SLX, XT, XTR, etc.
• If you are not sure about the specifications, please measure by yourself.