DescriptionIf you want to modify your folding bike, then you must not miss our guide chain tensioner bracket. Made of aluminumalloy and stainless steel material, it is high-quality and durable. Compatible for Brompton foldingbikes, which bring much convenience to you.Features- Material:Aluminum alloy, stainless steel.- Size: Approx.16.00X6.00X2.50cm /6.29X2.36X0.98in . - Scope of Application:Compatible with Brompton folding bicycles. - Using stainless steel and aluminum alloy material is hard and wear-resistant, long serving life.-Simple installation and disassembly, which save you much time and labor.- The surface is anodized for higher hardness, which is not easy to rust and break.- Hollow design, let you enjoy lightweight riding while travel. - A perfect bike modified part forriding lovers on their birthday or just daily life.