Feature: Pitch: 10.4cm / 4.09'; Number of Teeth: 42T; Number of Holes: 4 Holes; Hole Diameter: 3mm / 0.12' Fitment: The cranksets protective cover is a universal product, which is suitable for 42 teeth chain wheel Nice Protection: This protector cover is designed to protect your bicycle chain from scratches. And it provides good protection for the bicycle chain Easy Mounting: With the screws, you can install the cover easily on the bike chain. Just tighten the plastic screws, providing you with a convenient experience Package Include: 1 x Bike Crankset Chain Wheel Cover, 5 x Screws