Description: 【Adjustable Stem】This folding bicycle mountain bike stem features a folding design that can be easily adjusted to suit your needs 【Size】The fork clamp inner diameter and handlebar clamp diameter are both 25.4mm, making it versatile for different users 【Use】This Folding Bike Stem is suitable for various types of bicycles, including mountain bikes, road bikes, folding bikes and more. It's a versatile accessory that can be used with different riding styles and preferences 【Aluminum Alloy Material】Made from aluminum alloy material, this Folding Stem is not only lightweight but also highly sturdy. It offers good strength and reliability for consistent long term performance 【Ideal Replacement】Whether you need to upgrade or replace your current stem, this adjustable stem is a great choice. It provides a comfortable and enjoyable riding experience while maintaining optimal stability and control. Specification: Material: Aluminum Alloy Size Chart: Clamp Diameter: 25.4 mm Height: 37 cm/14.57 inch Package Includes: 1 Folding Bicycle Stem Note: Please allow slightly errors 1-2cm differences due to manual measurement