DescriptionThis is a bike stem riser, made of aluminium alloy material, durable andsafe to use. material that can ensure its durability andpracticability. It is easy to install and remove. This riser aresuitable for mountain bike and roadbike.Features-Material: aluminium alloy -Size: About 8.50X4.50X3.80cm/3.34X1.77X1.49inch - Made of high quality aluminium alloy materials, durable and safe for a long time use. - Fine workmanship and beautiful appearance ensure its popularity. - Portable and lightweight,easy to carry. - It has a simple design, but very practical in use. - This product can increase the stability of control, and the eccentricfront cover design makes the handle and the handle bar riser flat as awhole.