【High quality material】: The chain guide rail is made of aluminum alloy CNC, which is wear-resistant, non deformable, and can withstand the most difficult terrain. This chain guide has 31.8/34.9 fixture options and is compatible with various bicycle frames
【Easy installation】: Its direct installation design is similar to a front derailleur, ensuring easy and secure installation. Bicycle chain protector is easy to install and adjust
【Effective chain protection】: This chain guide can protect the chain from falling off, effectively prevent chain and chain jumping, avoid chain interference during cycling, and ensure safe and stable riding
【Lightweight】: Weighing only 55 grams, the chain guide will not add any unnecessary weight to your bicycle, allowing you to ride faster and more efficiently
【Widely used】: The mountain bike chain guide is a useful tool for bike owners to improve their bikes. It is widely used in most bicycles, such as regular bicycles, mountain bikes, off-road bikes, etc