Features： 1、Built to Last: CNC machining integrated, more secure, apply for long time cycling. This aluminum alloy single chainring is super long lasting and will serve you for extended periods. 2、Lightweight Construction: Chainring is made of aluminum alloy structure, lightweight but sturdy, with positive and negative teeth designed to prevent the chain from dropping. 3、Narrow Wide Tooth Design: It ensures chain retention, effectively protects the frame from scratches, extends wear life, and reduces friction and noise. The surface is easy to clean. 4、Smooth Beautiful: Every tooth tip goes through CNC processing, making them smooth and reducing wear and tear.The bicycle chainring through anodizing, it will make your bicycle more beautiful overall. 5、Practical Gift: The bike chainring can keep the surface smooth, bright color, fade, rust resistance, it can be as a homecoming, Christmas, Thanksgiving or New Year gift to your husband, wife, girlfriend, kid. Specification： Item Type: Mountain Bike Chainring Material: Aluminum Alloy Package List： 1 x Mountain Bike Chainring