Bicycle Chain Guide Single Crankset Clamp Mount Adjustable Aluminum Alloy Chain Guide For Mountain Bike Chain Fixed

Features:1. The mountain bike chain protector can e the bike chain le prone to jumping and falling during difficult rides. Let you enjoy cycling in all conditions.2. These mountain bike chain guards are made of high-strength aluminum alloy for long-lasting performance. They are lightweight, rust-resistance, and ble.3. The bike chain guide for a single-disc sprocket improves ride stability, increases the pedaling efficiency, and protects the rider's safety.4. It is easy and quick to install with a small wrench to adjust according to the bike frame size. Do not worry about dropping a chain again, and double your chain life.5. The small and light bicycle chain guide is suitable for mountain bikes, commuting bikes, off-road bikes, etc. But not for electrical bicycles.Specification:Name: Bicycle Chain GuideMaterial: 7075 aluminum alloy + special plastics steelApplicable frame size: 34.9mm/1.37in, 31.8mm/1.25in, 28.6mm/1.13inType A: Upgraded chain stabilizer:Net weight: about 43gPacking weight: about 87gPacking size: about 105*75*27mm/4.33*3.14*1.18inchType B: Simple chain stabilizer:Net weight: about 30gPacking weight: about 65gPacking size: about 105*75*27mm/4.33*3.14*1.18inchPacking List:bicycle chain guide*1Notes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed in the pictures.2. Please forgive a slight measuring deviation due to manual measurement.