Features 1、Aluminum Alloy: Using high strength aluminum alloy material with fine workmanship, the screw has high hardness, not easy to deform. 2、Anodizing Treatment: The surface is anodic oxidation treatment for bright color, the crank cover is corrosion resistant and not easy to fade. 3、High Performance: CNC precision machining, the crank bolt has high hardness, more wear resistance and more stable work performance. 4、Easy to Install: This bike crank bolt is easy to install by using the inner hex wrench(not included), is a wonderful replacement part for your broken or old ones. 5、Application: Suitable for XT, for XTR, for SLX, for Deore and other integrated hollow cranks. Item Type: Crank Cover Screw Cap Material: Aluminum Alloy Product Bottom Inner Diameter: Approx. 20mm / 0.8in Thread Length: Approx. 8mm / 0.3in Product Weight: Approx. 6g / 0.2oz Product Application: Suitable for XT, for XTR, for SLX, for Deore and Other Integrated Hollow Cranks Package List 1 x Crank Cover Screw Cap