Features: A light and easily way to protect your chainring from even the biggest of impacts. Suitable for 22T to 26T single chainrings, perfectly for protecting your chainring from damage during cycling. Make from aluminum Alloys, strong and Enduring for a perfectly fit on your frame. It's light weight and easy to install, so you can back out on the trail quickly. The guard have been designs around a unique modulars designs where you can run the guide and bash together or independently. Specifications: Materials: Aluminum Alloys Style: CG23 Black/CG23 Titaniums Color/CG24 Black/CG24 Titaniums Color CG23 size: about 10.2x6.8cm/4.06x2.68inch CG24 size: about 11.6x7.3cm/4.57x2.87inch Package Includes: 1pc Bike Chain Wheel Bash Guard note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.