Do you want to replace the old chain tensioner bracket? If so, our chain tensioner bracket is carefully prepared for you. It is easy for you to install, and let you enjoy smooth riding. Suitable for professional and personal to use. Features - Material: Aluminum alloy, stainless steel. - Size: Approx. 16.00X6.00X2.50cm/6.29X2.36X0.98in. - Scope of Application: Compatible with Brompton folding bicycles. - Smooth edges and smooth lines, which will not hurt or scratch your skin. - This bracket uses locking screws to increase the locking strength. - The return spring and the guide wheel bearings are replaced with stainless steel materials. - Practical and decorative, can be used as a bike decoration at the same time. - Easy to install and operate, simple and practical, not spending you much time. Package list: 1 x Guide Chain Tensioner Bracket